Home / 23,400.90-32,355.45-20,448.45

Finding the Fourth Proportional to 23,400.90, 32,355.45 and 20,448.45

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Solution

The fourth proportional to 23,400.90, 32,355.45 and 20,448.45 is: 28,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.90 : 32,355.45 = 20,448.45 : x
  2. Step 2: Convert to fraction form
    23,400.90/32,355.45 = 20,448.45/x
  3. Step 3: Cross multiply
    23,400.90x = 32,355.45 × 20,448.45
  4. Step 4: Simplify right side
    23,400.90x = 661,618,801.55
  5. Step 5: Solve for x
    x = 661,618,801.55/23,400.90
  6. Step 6: Final answer
    x = 28,273.22

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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.