Home / 28,033.04-38,685.66-15,457.88

Finding the Fourth Proportional to 28,033.04, 38,685.66 and 15,457.88

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Solution

The fourth proportional to 28,033.04, 38,685.66 and 15,457.88 is: 21,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.04 : 38,685.66 = 15,457.88 : x
  2. Step 2: Convert to fraction form
    28,033.04/38,685.66 = 15,457.88/x
  3. Step 3: Cross multiply
    28,033.04x = 38,685.66 × 15,457.88
  4. Step 4: Simplify right side
    28,033.04x = 597,998,290.00
  5. Step 5: Solve for x
    x = 597,998,290.00/28,033.04
  6. Step 6: Final answer
    x = 21,331.91

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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.