Home / 84,593.61-126,902.07-28,438.08

Finding the Fourth Proportional to 84,593.61, 126,902.07 and 28,438.08

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Solution

The fourth proportional to 84,593.61, 126,902.07 and 28,438.08 is: 42,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,593.61 : 126,902.07 = 28,438.08 : x
  2. Step 2: Convert to fraction form
    84,593.61/126,902.07 = 28,438.08/x
  3. Step 3: Cross multiply
    84,593.61x = 126,902.07 × 28,438.08
  4. Step 4: Simplify right side
    84,593.61x = 3,608,851,218.83
  5. Step 5: Solve for x
    x = 3,608,851,218.83/84,593.61
  6. Step 6: Final answer
    x = 42,661.04

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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.