Home / 27,700.74-38,227.08-15,125.46

Finding the Fourth Proportional to 27,700.74, 38,227.08 and 15,125.46

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Solution

The fourth proportional to 27,700.74, 38,227.08 and 15,125.46 is: 20,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.74 : 38,227.08 = 15,125.46 : x
  2. Step 2: Convert to fraction form
    27,700.74/38,227.08 = 15,125.46/x
  3. Step 3: Cross multiply
    27,700.74x = 38,227.08 × 15,125.46
  4. Step 4: Simplify right side
    27,700.74x = 578,202,169.46
  5. Step 5: Solve for x
    x = 578,202,169.46/27,700.74
  6. Step 6: Final answer
    x = 20,873.17

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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.