Home / 27,188.40-37,520.10-15,089.12

Finding the Fourth Proportional to 27,188.40, 37,520.10 and 15,089.12

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Solution

The fourth proportional to 27,188.40, 37,520.10 and 15,089.12 is: 20,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.40 : 37,520.10 = 15,089.12 : x
  2. Step 2: Convert to fraction form
    27,188.40/37,520.10 = 15,089.12/x
  3. Step 3: Cross multiply
    27,188.40x = 37,520.10 × 15,089.12
  4. Step 4: Simplify right side
    27,188.40x = 566,145,291.31
  5. Step 5: Solve for x
    x = 566,145,291.31/27,188.40
  6. Step 6: Final answer
    x = 20,823.05

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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.