Home / 23,292.40-32,142.56-13,220.64

Finding the Fourth Proportional to 23,292.40, 32,142.56 and 13,220.64

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Solution

The fourth proportional to 23,292.40, 32,142.56 and 13,220.64 is: 18,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,292.40 : 32,142.56 = 13,220.64 : x
  2. Step 2: Convert to fraction form
    23,292.40/32,142.56 = 13,220.64/x
  3. Step 3: Cross multiply
    23,292.40x = 32,142.56 × 13,220.64
  4. Step 4: Simplify right side
    23,292.40x = 424,945,214.44
  5. Step 5: Solve for x
    x = 424,945,214.44/23,292.40
  6. Step 6: Final answer
    x = 18,243.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.