Home / 21,912.62-32,898.10-14,820.68

Finding the Fourth Proportional to 21,912.62, 32,898.10 and 14,820.68

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Solution

The fourth proportional to 21,912.62, 32,898.10 and 14,820.68 is: 22,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.62 : 32,898.10 = 14,820.68 : x
  2. Step 2: Convert to fraction form
    21,912.62/32,898.10 = 14,820.68/x
  3. Step 3: Cross multiply
    21,912.62x = 32,898.10 × 14,820.68
  4. Step 4: Simplify right side
    21,912.62x = 487,572,212.71
  5. Step 5: Solve for x
    x = 487,572,212.71/21,912.62
  6. Step 6: Final answer
    x = 22,250.75

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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.