Home / 19,933.40-27,508.28-10,981.22

Finding the Fourth Proportional to 19,933.40, 27,508.28 and 10,981.22

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Solution

The fourth proportional to 19,933.40, 27,508.28 and 10,981.22 is: 15,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.40 : 27,508.28 = 10,981.22 : x
  2. Step 2: Convert to fraction form
    19,933.40/27,508.28 = 10,981.22/x
  3. Step 3: Cross multiply
    19,933.40x = 27,508.28 × 10,981.22
  4. Step 4: Simplify right side
    19,933.40x = 302,074,474.50
  5. Step 5: Solve for x
    x = 302,074,474.50/19,933.40
  6. Step 6: Final answer
    x = 15,154.19

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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.