Home / 24,242.96-36,331.28-18,315

Finding the Fourth Proportional to 24,242.96, 36,331.28 and 18,315

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Solution

The fourth proportional to 24,242.96, 36,331.28 and 18,315 is: 27,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,242.96 : 36,331.28 = 18,315 : x
  2. Step 2: Convert to fraction form
    24,242.96/36,331.28 = 18,315/x
  3. Step 3: Cross multiply
    24,242.96x = 36,331.28 × 18,315
  4. Step 4: Simplify right side
    24,242.96x = 665,407,393.20
  5. Step 5: Solve for x
    x = 665,407,393.20/24,242.96
  6. Step 6: Final answer
    x = 27,447.45

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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.