Home / 26,988.48-40,505.76-21,551.04

Finding the Fourth Proportional to 26,988.48, 40,505.76 and 21,551.04

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Solution

The fourth proportional to 26,988.48, 40,505.76 and 21,551.04 is: 32,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.48 : 40,505.76 = 21,551.04 : x
  2. Step 2: Convert to fraction form
    26,988.48/40,505.76 = 21,551.04/x
  3. Step 3: Cross multiply
    26,988.48x = 40,505.76 × 21,551.04
  4. Step 4: Simplify right side
    26,988.48x = 872,941,253.99
  5. Step 5: Solve for x
    x = 872,941,253.99/26,988.48
  6. Step 6: Final answer
    x = 32,344.96

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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.