Home / 29,140.80-43,646.40-15,273.60

Finding the Fourth Proportional to 29,140.80, 43,646.40 and 15,273.60

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Solution

The fourth proportional to 29,140.80, 43,646.40 and 15,273.60 is: 22,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.80 : 43,646.40 = 15,273.60 : x
  2. Step 2: Convert to fraction form
    29,140.80/43,646.40 = 15,273.60/x
  3. Step 3: Cross multiply
    29,140.80x = 43,646.40 × 15,273.60
  4. Step 4: Simplify right side
    29,140.80x = 666,637,655.04
  5. Step 5: Solve for x
    x = 666,637,655.04/29,140.80
  6. Step 6: Final answer
    x = 22,876.44

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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.