Home / 26,539.11-39,818.24-13,381.57

Finding the Fourth Proportional to 26,539.11, 39,818.24 and 13,381.57

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Solution

The fourth proportional to 26,539.11, 39,818.24 and 13,381.57 is: 20,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.11 : 39,818.24 = 13,381.57 : x
  2. Step 2: Convert to fraction form
    26,539.11/39,818.24 = 13,381.57/x
  3. Step 3: Cross multiply
    26,539.11x = 39,818.24 × 13,381.57
  4. Step 4: Simplify right side
    26,539.11x = 532,830,598.88
  5. Step 5: Solve for x
    x = 532,830,598.88/26,539.11
  6. Step 6: Final answer
    x = 20,077.18

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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.