Home / 21,632.48-32,445.90-6,842.88

Finding the Fourth Proportional to 21,632.48, 32,445.90 and 6,842.88

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Solution

The fourth proportional to 21,632.48, 32,445.90 and 6,842.88 is: 10,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.48 : 32,445.90 = 6,842.88 : x
  2. Step 2: Convert to fraction form
    21,632.48/32,445.90 = 6,842.88/x
  3. Step 3: Cross multiply
    21,632.48x = 32,445.90 × 6,842.88
  4. Step 4: Simplify right side
    21,632.48x = 222,023,400.19
  5. Step 5: Solve for x
    x = 222,023,400.19/21,632.48
  6. Step 6: Final answer
    x = 10,263.43

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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.