Home / 27,191.60-37,526.20-15,255.72

Finding the Fourth Proportional to 27,191.60, 37,526.20 and 15,255.72

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Solution

The fourth proportional to 27,191.60, 37,526.20 and 15,255.72 is: 21,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.60 : 37,526.20 = 15,255.72 : x
  2. Step 2: Convert to fraction form
    27,191.60/37,526.20 = 15,255.72/x
  3. Step 3: Cross multiply
    27,191.60x = 37,526.20 × 15,255.72
  4. Step 4: Simplify right side
    27,191.60x = 572,489,199.86
  5. Step 5: Solve for x
    x = 572,489,199.86/27,191.60
  6. Step 6: Final answer
    x = 21,053.90

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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.