Home / 47,376.46-65,387.92-28,257.40

Finding the Fourth Proportional to 47,376.46, 65,387.92 and 28,257.40

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Solution

The fourth proportional to 47,376.46, 65,387.92 and 28,257.40 is: 39,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.46 : 65,387.92 = 28,257.40 : x
  2. Step 2: Convert to fraction form
    47,376.46/65,387.92 = 28,257.40/x
  3. Step 3: Cross multiply
    47,376.46x = 65,387.92 × 28,257.40
  4. Step 4: Simplify right side
    47,376.46x = 1,847,692,610.61
  5. Step 5: Solve for x
    x = 1,847,692,610.61/47,376.46
  6. Step 6: Final answer
    x = 39,000.23

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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.