Home / 28,240.83-38,966.09-16,301.61

Finding the Fourth Proportional to 28,240.83, 38,966.09 and 16,301.61

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Solution

The fourth proportional to 28,240.83, 38,966.09 and 16,301.61 is: 22,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.83 : 38,966.09 = 16,301.61 : x
  2. Step 2: Convert to fraction form
    28,240.83/38,966.09 = 16,301.61/x
  3. Step 3: Cross multiply
    28,240.83x = 38,966.09 × 16,301.61
  4. Step 4: Simplify right side
    28,240.83x = 635,209,920.90
  5. Step 5: Solve for x
    x = 635,209,920.90/28,240.83
  6. Step 6: Final answer
    x = 22,492.61

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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.