Home / 18,225.71-27,291.23-15,610.05

Finding the Fourth Proportional to 18,225.71, 27,291.23 and 15,610.05

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Solution

The fourth proportional to 18,225.71, 27,291.23 and 15,610.05 is: 23,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.71 : 27,291.23 = 15,610.05 : x
  2. Step 2: Convert to fraction form
    18,225.71/27,291.23 = 15,610.05/x
  3. Step 3: Cross multiply
    18,225.71x = 27,291.23 × 15,610.05
  4. Step 4: Simplify right side
    18,225.71x = 426,017,445.35
  5. Step 5: Solve for x
    x = 426,017,445.35/18,225.71
  6. Step 6: Final answer
    x = 23,374.53

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1.5x scale

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.