Home / 26,931.52-37,167.84-15,757.12

Finding the Fourth Proportional to 26,931.52, 37,167.84 and 15,757.12

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Solution

The fourth proportional to 26,931.52, 37,167.84 and 15,757.12 is: 21,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.52 : 37,167.84 = 15,757.12 : x
  2. Step 2: Convert to fraction form
    26,931.52/37,167.84 = 15,757.12/x
  3. Step 3: Cross multiply
    26,931.52x = 37,167.84 × 15,757.12
  4. Step 4: Simplify right side
    26,931.52x = 585,658,115.02
  5. Step 5: Solve for x
    x = 585,658,115.02/26,931.52
  6. Step 6: Final answer
    x = 21,746.20

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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.