Home / 29,122.80-43,727.40-17,458.80

Finding the Fourth Proportional to 29,122.80, 43,727.40 and 17,458.80

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Solution

The fourth proportional to 29,122.80, 43,727.40 and 17,458.80 is: 26,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.80 : 43,727.40 = 17,458.80 : x
  2. Step 2: Convert to fraction form
    29,122.80/43,727.40 = 17,458.80/x
  3. Step 3: Cross multiply
    29,122.80x = 43,727.40 × 17,458.80
  4. Step 4: Simplify right side
    29,122.80x = 763,427,931.12
  5. Step 5: Solve for x
    x = 763,427,931.12/29,122.80
  6. Step 6: Final answer
    x = 26,214.10

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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.