Home / 26,423.28-36,452.16-21,125.52

Finding the Fourth Proportional to 26,423.28, 36,452.16 and 21,125.52

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Solution

The fourth proportional to 26,423.28, 36,452.16 and 21,125.52 is: 29,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.28 : 36,452.16 = 21,125.52 : x
  2. Step 2: Convert to fraction form
    26,423.28/36,452.16 = 21,125.52/x
  3. Step 3: Cross multiply
    26,423.28x = 36,452.16 × 21,125.52
  4. Step 4: Simplify right side
    26,423.28x = 770,070,835.12
  5. Step 5: Solve for x
    x = 770,070,835.12/26,423.28
  6. Step 6: Final answer
    x = 29,143.65

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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.