Home / 21,459.25-32,151.34-14,889.61

Finding the Fourth Proportional to 21,459.25, 32,151.34 and 14,889.61

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Solution

The fourth proportional to 21,459.25, 32,151.34 and 14,889.61 is: 22,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.25 : 32,151.34 = 14,889.61 : x
  2. Step 2: Convert to fraction form
    21,459.25/32,151.34 = 14,889.61/x
  3. Step 3: Cross multiply
    21,459.25x = 32,151.34 × 14,889.61
  4. Step 4: Simplify right side
    21,459.25x = 478,720,913.58
  5. Step 5: Solve for x
    x = 478,720,913.58/21,459.25
  6. Step 6: Final answer
    x = 22,308.37

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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.