Home / 26,288.57-39,400.05-13,144.70

Finding the Fourth Proportional to 26,288.57, 39,400.05 and 13,144.70

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Solution

The fourth proportional to 26,288.57, 39,400.05 and 13,144.70 is: 19,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.57 : 39,400.05 = 13,144.70 : x
  2. Step 2: Convert to fraction form
    26,288.57/39,400.05 = 13,144.70/x
  3. Step 3: Cross multiply
    26,288.57x = 39,400.05 × 13,144.70
  4. Step 4: Simplify right side
    26,288.57x = 517,901,837.24
  5. Step 5: Solve for x
    x = 517,901,837.24/26,288.57
  6. Step 6: Final answer
    x = 19,700.65

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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.