Home / 38,353.29-57,476.70-28,985.64

Finding the Fourth Proportional to 38,353.29, 57,476.70 and 28,985.64

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Solution

The fourth proportional to 38,353.29, 57,476.70 and 28,985.64 is: 43,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,353.29 : 57,476.70 = 28,985.64 : x
  2. Step 2: Convert to fraction form
    38,353.29/57,476.70 = 28,985.64/x
  3. Step 3: Cross multiply
    38,353.29x = 57,476.70 × 28,985.64
  4. Step 4: Simplify right side
    38,353.29x = 1,665,998,934.59
  5. Step 5: Solve for x
    x = 1,665,998,934.59/38,353.29
  6. Step 6: Final answer
    x = 43,438.23

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1.5x scale

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.