Home / 26,122.50-39,145.34-15,437.86

Finding the Fourth Proportional to 26,122.50, 39,145.34 and 15,437.86

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Solution

The fourth proportional to 26,122.50, 39,145.34 and 15,437.86 is: 23,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.50 : 39,145.34 = 15,437.86 : x
  2. Step 2: Convert to fraction form
    26,122.50/39,145.34 = 15,437.86/x
  3. Step 3: Cross multiply
    26,122.50x = 39,145.34 × 15,437.86
  4. Step 4: Simplify right side
    26,122.50x = 604,320,278.57
  5. Step 5: Solve for x
    x = 604,320,278.57/26,122.50
  6. Step 6: Final answer
    x = 23,134.09

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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.