Home / 27,338.20-37,726.78-15,401.52

Finding the Fourth Proportional to 27,338.20, 37,726.78 and 15,401.52

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Solution

The fourth proportional to 27,338.20, 37,726.78 and 15,401.52 is: 21,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.20 : 37,726.78 = 15,401.52 : x
  2. Step 2: Convert to fraction form
    27,338.20/37,726.78 = 15,401.52/x
  3. Step 3: Cross multiply
    27,338.20x = 37,726.78 × 15,401.52
  4. Step 4: Simplify right side
    27,338.20x = 581,049,756.71
  5. Step 5: Solve for x
    x = 581,049,756.71/27,338.20
  6. Step 6: Final answer
    x = 21,254.13

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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.