Home / 22,085.84-33,128.76-15,139.28

Finding the Fourth Proportional to 22,085.84, 33,128.76 and 15,139.28

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Solution

The fourth proportional to 22,085.84, 33,128.76 and 15,139.28 is: 22,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.84 : 33,128.76 = 15,139.28 : x
  2. Step 2: Convert to fraction form
    22,085.84/33,128.76 = 15,139.28/x
  3. Step 3: Cross multiply
    22,085.84x = 33,128.76 × 15,139.28
  4. Step 4: Simplify right side
    22,085.84x = 501,545,573.69
  5. Step 5: Solve for x
    x = 501,545,573.69/22,085.84
  6. Step 6: Final answer
    x = 22,708.92

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.