Home / 26,126.48-36,053.52-15,515.84

Finding the Fourth Proportional to 26,126.48, 36,053.52 and 15,515.84

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Solution

The fourth proportional to 26,126.48, 36,053.52 and 15,515.84 is: 21,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.48 : 36,053.52 = 15,515.84 : x
  2. Step 2: Convert to fraction form
    26,126.48/36,053.52 = 15,515.84/x
  3. Step 3: Cross multiply
    26,126.48x = 36,053.52 × 15,515.84
  4. Step 4: Simplify right side
    26,126.48x = 559,400,647.76
  5. Step 5: Solve for x
    x = 559,400,647.76/26,126.48
  6. Step 6: Final answer
    x = 21,411.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.