Home / 26,117.60-39,177.76-19,887.38

Finding the Fourth Proportional to 26,117.60, 39,177.76 and 19,887.38

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Solution

The fourth proportional to 26,117.60, 39,177.76 and 19,887.38 is: 29,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.60 : 39,177.76 = 19,887.38 : x
  2. Step 2: Convert to fraction form
    26,117.60/39,177.76 = 19,887.38/x
  3. Step 3: Cross multiply
    26,117.60x = 39,177.76 × 19,887.38
  4. Step 4: Simplify right side
    26,117.60x = 779,142,939.27
  5. Step 5: Solve for x
    x = 779,142,939.27/26,117.60
  6. Step 6: Final answer
    x = 29,832.11

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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.