Home / 23,390-32,304.36-18,148.40

Finding the Fourth Proportional to 23,390, 32,304.36 and 18,148.40

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Solution

The fourth proportional to 23,390, 32,304.36 and 18,148.40 is: 25,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390 : 32,304.36 = 18,148.40 : x
  2. Step 2: Convert to fraction form
    23,390/32,304.36 = 18,148.40/x
  3. Step 3: Cross multiply
    23,390x = 32,304.36 × 18,148.40
  4. Step 4: Simplify right side
    23,390x = 586,272,447.02
  5. Step 5: Solve for x
    x = 586,272,447.02/23,390
  6. Step 6: Final answer
    x = 25,065.09

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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.