Home / 87,377.40-131,066.40-26,588.25

Finding the Fourth Proportional to 87,377.40, 131,066.40 and 26,588.25

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Solution

The fourth proportional to 87,377.40, 131,066.40 and 26,588.25 is: 39,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.40 : 131,066.40 = 26,588.25 : x
  2. Step 2: Convert to fraction form
    87,377.40/131,066.40 = 26,588.25/x
  3. Step 3: Cross multiply
    87,377.40x = 131,066.40 × 26,588.25
  4. Step 4: Simplify right side
    87,377.40x = 3,484,826,309.51
  5. Step 5: Solve for x
    x = 3,484,826,309.51/87,377.40
  6. Step 6: Final answer
    x = 39,882.47

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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.