Home / 38,588.60-57,884.08-13,287.84

Finding the Fourth Proportional to 38,588.60, 57,884.08 and 13,287.84

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Solution

The fourth proportional to 38,588.60, 57,884.08 and 13,287.84 is: 19,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.60 : 57,884.08 = 13,287.84 : x
  2. Step 2: Convert to fraction form
    38,588.60/57,884.08 = 13,287.84/x
  3. Step 3: Cross multiply
    38,588.60x = 57,884.08 × 13,287.84
  4. Step 4: Simplify right side
    38,588.60x = 769,154,393.59
  5. Step 5: Solve for x
    x = 769,154,393.59/38,588.60
  6. Step 6: Final answer
    x = 19,932.17

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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.