Home / 28,044.52-42,060.30-8,318.32

Finding the Fourth Proportional to 28,044.52, 42,060.30 and 8,318.32

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Solution

The fourth proportional to 28,044.52, 42,060.30 and 8,318.32 is: 12,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.52 : 42,060.30 = 8,318.32 : x
  2. Step 2: Convert to fraction form
    28,044.52/42,060.30 = 8,318.32/x
  3. Step 3: Cross multiply
    28,044.52x = 42,060.30 × 8,318.32
  4. Step 4: Simplify right side
    28,044.52x = 349,871,034.70
  5. Step 5: Solve for x
    x = 349,871,034.70/28,044.52
  6. Step 6: Final answer
    x = 12,475.56

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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.