Home / 27,581.50-38,063.28-15,007.06

Finding the Fourth Proportional to 27,581.50, 38,063.28 and 15,007.06

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Solution

The fourth proportional to 27,581.50, 38,063.28 and 15,007.06 is: 20,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.50 : 38,063.28 = 15,007.06 : x
  2. Step 2: Convert to fraction form
    27,581.50/38,063.28 = 15,007.06/x
  3. Step 3: Cross multiply
    27,581.50x = 38,063.28 × 15,007.06
  4. Step 4: Simplify right side
    27,581.50x = 571,217,926.76
  5. Step 5: Solve for x
    x = 571,217,926.76/27,581.50
  6. Step 6: Final answer
    x = 20,710.18

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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.