Home / 28,639.13-39,522.02-16,063.88

Finding the Fourth Proportional to 28,639.13, 39,522.02 and 16,063.88

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Solution

The fourth proportional to 28,639.13, 39,522.02 and 16,063.88 is: 22,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639.13 : 39,522.02 = 16,063.88 : x
  2. Step 2: Convert to fraction form
    28,639.13/39,522.02 = 16,063.88/x
  3. Step 3: Cross multiply
    28,639.13x = 39,522.02 × 16,063.88
  4. Step 4: Simplify right side
    28,639.13x = 634,876,708.71
  5. Step 5: Solve for x
    x = 634,876,708.71/28,639.13
  6. Step 6: Final answer
    x = 22,168.16

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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.