Home / 21,608.28-32,412.45-14,245.62

Finding the Fourth Proportional to 21,608.28, 32,412.45 and 14,245.62

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Solution

The fourth proportional to 21,608.28, 32,412.45 and 14,245.62 is: 21,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.28 : 32,412.45 = 14,245.62 : x
  2. Step 2: Convert to fraction form
    21,608.28/32,412.45 = 14,245.62/x
  3. Step 3: Cross multiply
    21,608.28x = 32,412.45 × 14,245.62
  4. Step 4: Simplify right side
    21,608.28x = 461,735,445.97
  5. Step 5: Solve for x
    x = 461,735,445.97/21,608.28
  6. Step 6: Final answer
    x = 21,368.45

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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.