Home / 18,526.20-27,746.10-11,527.80

Finding the Fourth Proportional to 18,526.20, 27,746.10 and 11,527.80

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Solution

The fourth proportional to 18,526.20, 27,746.10 and 11,527.80 is: 17,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.20 : 27,746.10 = 11,527.80 : x
  2. Step 2: Convert to fraction form
    18,526.20/27,746.10 = 11,527.80/x
  3. Step 3: Cross multiply
    18,526.20x = 27,746.10 × 11,527.80
  4. Step 4: Simplify right side
    18,526.20x = 319,851,491.58
  5. Step 5: Solve for x
    x = 319,851,491.58/18,526.20
  6. Step 6: Final answer
    x = 17,264.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.