Home / 28,073.39-38,706.26-17,985.24

Finding the Fourth Proportional to 28,073.39, 38,706.26 and 17,985.24

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Solution

The fourth proportional to 28,073.39, 38,706.26 and 17,985.24 is: 24,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.39 : 38,706.26 = 17,985.24 : x
  2. Step 2: Convert to fraction form
    28,073.39/38,706.26 = 17,985.24/x
  3. Step 3: Cross multiply
    28,073.39x = 38,706.26 × 17,985.24
  4. Step 4: Simplify right side
    28,073.39x = 696,141,285.68
  5. Step 5: Solve for x
    x = 696,141,285.68/28,073.39
  6. Step 6: Final answer
    x = 24,797.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.