Home / 21,305.61-29,374.40-17,463.11

Finding the Fourth Proportional to 21,305.61, 29,374.40 and 17,463.11

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Solution

The fourth proportional to 21,305.61, 29,374.40 and 17,463.11 is: 24,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,305.61 : 29,374.40 = 17,463.11 : x
  2. Step 2: Convert to fraction form
    21,305.61/29,374.40 = 17,463.11/x
  3. Step 3: Cross multiply
    21,305.61x = 29,374.40 × 17,463.11
  4. Step 4: Simplify right side
    21,305.61x = 512,968,144.20
  5. Step 5: Solve for x
    x = 512,968,144.20/21,305.61
  6. Step 6: Final answer
    x = 24,076.67

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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.