Home / 38,590.60-57,887.08-13,289.84

Finding the Fourth Proportional to 38,590.60, 57,887.08 and 13,289.84

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Solution

The fourth proportional to 38,590.60, 57,887.08 and 13,289.84 is: 19,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.60 : 57,887.08 = 13,289.84 : x
  2. Step 2: Convert to fraction form
    38,590.60/57,887.08 = 13,289.84/x
  3. Step 3: Cross multiply
    38,590.60x = 57,887.08 × 13,289.84
  4. Step 4: Simplify right side
    38,590.60x = 769,310,031.27
  5. Step 5: Solve for x
    x = 769,310,031.27/38,590.60
  6. Step 6: Final answer
    x = 19,935.17

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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.