Home / 29,109.80-43,607.10-15,938.60

Finding the Fourth Proportional to 29,109.80, 43,607.10 and 15,938.60

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Solution

The fourth proportional to 29,109.80, 43,607.10 and 15,938.60 is: 23,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.80 : 43,607.10 = 15,938.60 : x
  2. Step 2: Convert to fraction form
    29,109.80/43,607.10 = 15,938.60/x
  3. Step 3: Cross multiply
    29,109.80x = 43,607.10 × 15,938.60
  4. Step 4: Simplify right side
    29,109.80x = 695,036,124.06
  5. Step 5: Solve for x
    x = 695,036,124.06/29,109.80
  6. Step 6: Final answer
    x = 23,876.36

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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.