Home / 47,627.04-65,723.76-28,760.88

Finding the Fourth Proportional to 47,627.04, 65,723.76 and 28,760.88

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Solution

The fourth proportional to 47,627.04, 65,723.76 and 28,760.88 is: 39,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,627.04 : 65,723.76 = 28,760.88 : x
  2. Step 2: Convert to fraction form
    47,627.04/65,723.76 = 28,760.88/x
  3. Step 3: Cross multiply
    47,627.04x = 65,723.76 × 28,760.88
  4. Step 4: Simplify right side
    47,627.04x = 1,890,273,174.51
  5. Step 5: Solve for x
    x = 1,890,273,174.51/47,627.04
  6. Step 6: Final answer
    x = 39,689.08

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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.