Home / 27,338.16-37,726.92-15,401.76

Finding the Fourth Proportional to 27,338.16, 37,726.92 and 15,401.76

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Solution

The fourth proportional to 27,338.16, 37,726.92 and 15,401.76 is: 21,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.16 : 37,726.92 = 15,401.76 : x
  2. Step 2: Convert to fraction form
    27,338.16/37,726.92 = 15,401.76/x
  3. Step 3: Cross multiply
    27,338.16x = 37,726.92 × 15,401.76
  4. Step 4: Simplify right side
    27,338.16x = 581,060,967.38
  5. Step 5: Solve for x
    x = 581,060,967.38/27,338.16
  6. Step 6: Final answer
    x = 21,254.57

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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.