Home / 27,091.59-37,389.50-15,157.95

Finding the Fourth Proportional to 27,091.59, 37,389.50 and 15,157.95

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Solution

The fourth proportional to 27,091.59, 37,389.50 and 15,157.95 is: 20,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.59 : 37,389.50 = 15,157.95 : x
  2. Step 2: Convert to fraction form
    27,091.59/37,389.50 = 15,157.95/x
  3. Step 3: Cross multiply
    27,091.59x = 37,389.50 × 15,157.95
  4. Step 4: Simplify right side
    27,091.59x = 566,748,095.74
  5. Step 5: Solve for x
    x = 566,748,095.74/27,091.59
  6. Step 6: Final answer
    x = 20,919.71

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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.