Home / 26,140.26-36,073.68-15,385.53

Finding the Fourth Proportional to 26,140.26, 36,073.68 and 15,385.53

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Solution

The fourth proportional to 26,140.26, 36,073.68 and 15,385.53 is: 21,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.26 : 36,073.68 = 15,385.53 : x
  2. Step 2: Convert to fraction form
    26,140.26/36,073.68 = 15,385.53/x
  3. Step 3: Cross multiply
    26,140.26x = 36,073.68 × 15,385.53
  4. Step 4: Simplify right side
    26,140.26x = 555,012,685.85
  5. Step 5: Solve for x
    x = 555,012,685.85/26,140.26
  6. Step 6: Final answer
    x = 21,232.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.