Home / 25,551.12-38,275.48-11,681.04

Finding the Fourth Proportional to 25,551.12, 38,275.48 and 11,681.04

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Solution

The fourth proportional to 25,551.12, 38,275.48 and 11,681.04 is: 17,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.12 : 38,275.48 = 11,681.04 : x
  2. Step 2: Convert to fraction form
    25,551.12/38,275.48 = 11,681.04/x
  3. Step 3: Cross multiply
    25,551.12x = 38,275.48 × 11,681.04
  4. Step 4: Simplify right side
    25,551.12x = 447,097,412.90
  5. Step 5: Solve for x
    x = 447,097,412.90/25,551.12
  6. Step 6: Final answer
    x = 17,498.15

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Why These Related Problems?

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