Home / 19,948.47-27,528.89-10,996.17

Finding the Fourth Proportional to 19,948.47, 27,528.89 and 10,996.17

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Solution

The fourth proportional to 19,948.47, 27,528.89 and 10,996.17 is: 15,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.47 : 27,528.89 = 10,996.17 : x
  2. Step 2: Convert to fraction form
    19,948.47/27,528.89 = 10,996.17/x
  3. Step 3: Cross multiply
    19,948.47x = 27,528.89 × 10,996.17
  4. Step 4: Simplify right side
    19,948.47x = 302,712,285.53
  5. Step 5: Solve for x
    x = 302,712,285.53/19,948.47
  6. Step 6: Final answer
    x = 15,174.71

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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.