Home / 47,726.43-65,863.98-28,599.90

Finding the Fourth Proportional to 47,726.43, 65,863.98 and 28,599.90

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Solution

The fourth proportional to 47,726.43, 65,863.98 and 28,599.90 is: 39,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.43 : 65,863.98 = 28,599.90 : x
  2. Step 2: Convert to fraction form
    47,726.43/65,863.98 = 28,599.90/x
  3. Step 3: Cross multiply
    47,726.43x = 65,863.98 × 28,599.90
  4. Step 4: Simplify right side
    47,726.43x = 1,883,703,241.60
  5. Step 5: Solve for x
    x = 1,883,703,241.60/47,726.43
  6. Step 6: Final answer
    x = 39,468.76

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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.