Home / 28,592.13-39,457.15-16,016.88

Finding the Fourth Proportional to 28,592.13, 39,457.15 and 16,016.88

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Solution

The fourth proportional to 28,592.13, 39,457.15 and 16,016.88 is: 22,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.13 : 39,457.15 = 16,016.88 : x
  2. Step 2: Convert to fraction form
    28,592.13/39,457.15 = 16,016.88/x
  3. Step 3: Cross multiply
    28,592.13x = 39,457.15 × 16,016.88
  4. Step 4: Simplify right side
    28,592.13x = 631,980,495.29
  5. Step 5: Solve for x
    x = 631,980,495.29/28,592.13
  6. Step 6: Final answer
    x = 22,103.30

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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.