Home / 21,374.52-29,507.21-15,014.62

Finding the Fourth Proportional to 21,374.52, 29,507.21 and 15,014.62

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Solution

The fourth proportional to 21,374.52, 29,507.21 and 15,014.62 is: 20,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.52 : 29,507.21 = 15,014.62 : x
  2. Step 2: Convert to fraction form
    21,374.52/29,507.21 = 15,014.62/x
  3. Step 3: Cross multiply
    21,374.52x = 29,507.21 × 15,014.62
  4. Step 4: Simplify right side
    21,374.52x = 443,039,545.41
  5. Step 5: Solve for x
    x = 443,039,545.41/21,374.52
  6. Step 6: Final answer
    x = 20,727.46

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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.