Home / 43,255.48-59,655.27-28,142.62

Finding the Fourth Proportional to 43,255.48, 59,655.27 and 28,142.62

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Solution

The fourth proportional to 43,255.48, 59,655.27 and 28,142.62 is: 38,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.48 : 59,655.27 = 28,142.62 : x
  2. Step 2: Convert to fraction form
    43,255.48/59,655.27 = 28,142.62/x
  3. Step 3: Cross multiply
    43,255.48x = 59,655.27 × 28,142.62
  4. Step 4: Simplify right side
    43,255.48x = 1,678,855,594.61
  5. Step 5: Solve for x
    x = 1,678,855,594.61/43,255.48
  6. Step 6: Final answer
    x = 38,812.55

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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.