Home / 47,528.81-65,585.26-28,404.78

Finding the Fourth Proportional to 47,528.81, 65,585.26 and 28,404.78

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Solution

The fourth proportional to 47,528.81, 65,585.26 and 28,404.78 is: 39,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.81 : 65,585.26 = 28,404.78 : x
  2. Step 2: Convert to fraction form
    47,528.81/65,585.26 = 28,404.78/x
  3. Step 3: Cross multiply
    47,528.81x = 65,585.26 × 28,404.78
  4. Step 4: Simplify right side
    47,528.81x = 1,862,934,881.54
  5. Step 5: Solve for x
    x = 1,862,934,881.54/47,528.81
  6. Step 6: Final answer
    x = 39,195.91

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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.