Home / 39,657.04-59,412-28,389.12

Finding the Fourth Proportional to 39,657.04, 59,412 and 28,389.12

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Solution

The fourth proportional to 39,657.04, 59,412 and 28,389.12 is: 42,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.04 : 59,412 = 28,389.12 : x
  2. Step 2: Convert to fraction form
    39,657.04/59,412 = 28,389.12/x
  3. Step 3: Cross multiply
    39,657.04x = 59,412 × 28,389.12
  4. Step 4: Simplify right side
    39,657.04x = 1,686,654,397.44
  5. Step 5: Solve for x
    x = 1,686,654,397.44/39,657.04
  6. Step 6: Final answer
    x = 42,531.02

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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.