Home / 28,539.18-42,746.45-17,412.12

Finding the Fourth Proportional to 28,539.18, 42,746.45 and 17,412.12

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Solution

The fourth proportional to 28,539.18, 42,746.45 and 17,412.12 is: 26,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.18 : 42,746.45 = 17,412.12 : x
  2. Step 2: Convert to fraction form
    28,539.18/42,746.45 = 17,412.12/x
  3. Step 3: Cross multiply
    28,539.18x = 42,746.45 × 17,412.12
  4. Step 4: Simplify right side
    28,539.18x = 744,306,229.91
  5. Step 5: Solve for x
    x = 744,306,229.91/28,539.18
  6. Step 6: Final answer
    x = 26,080.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.