Home / 47,373.15-65,369.40-28,253.98

Finding the Fourth Proportional to 47,373.15, 65,369.40 and 28,253.98

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Solution

The fourth proportional to 47,373.15, 65,369.40 and 28,253.98 is: 38,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,373.15 : 65,369.40 = 28,253.98 : x
  2. Step 2: Convert to fraction form
    47,373.15/65,369.40 = 28,253.98/x
  3. Step 3: Cross multiply
    47,373.15x = 65,369.40 × 28,253.98
  4. Step 4: Simplify right side
    47,373.15x = 1,846,945,695.97
  5. Step 5: Solve for x
    x = 1,846,945,695.97/47,373.15
  6. Step 6: Final answer
    x = 38,987.18

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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.