Home / 38,526.08-57,789.36-11,871.74

Finding the Fourth Proportional to 38,526.08, 57,789.36 and 11,871.74

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Solution

The fourth proportional to 38,526.08, 57,789.36 and 11,871.74 is: 17,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,526.08 : 57,789.36 = 11,871.74 : x
  2. Step 2: Convert to fraction form
    38,526.08/57,789.36 = 11,871.74/x
  3. Step 3: Cross multiply
    38,526.08x = 57,789.36 × 11,871.74
  4. Step 4: Simplify right side
    38,526.08x = 686,060,256.69
  5. Step 5: Solve for x
    x = 686,060,256.69/38,526.08
  6. Step 6: Final answer
    x = 17,807.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.