Home / 26,147.95-36,113.55-20,250.95

Finding the Fourth Proportional to 26,147.95, 36,113.55 and 20,250.95

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Solution

The fourth proportional to 26,147.95, 36,113.55 and 20,250.95 is: 27,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.95 : 36,113.55 = 20,250.95 : x
  2. Step 2: Convert to fraction form
    26,147.95/36,113.55 = 20,250.95/x
  3. Step 3: Cross multiply
    26,147.95x = 36,113.55 × 20,250.95
  4. Step 4: Simplify right side
    26,147.95x = 731,333,438.86
  5. Step 5: Solve for x
    x = 731,333,438.86/26,147.95
  6. Step 6: Final answer
    x = 27,969.06

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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.