Home / 42,871.25-64,316.60-15,169.25

Finding the Fourth Proportional to 42,871.25, 64,316.60 and 15,169.25

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Solution

The fourth proportional to 42,871.25, 64,316.60 and 15,169.25 is: 22,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.25 : 64,316.60 = 15,169.25 : x
  2. Step 2: Convert to fraction form
    42,871.25/64,316.60 = 15,169.25/x
  3. Step 3: Cross multiply
    42,871.25x = 64,316.60 × 15,169.25
  4. Step 4: Simplify right side
    42,871.25x = 975,634,584.55
  5. Step 5: Solve for x
    x = 975,634,584.55/42,871.25
  6. Step 6: Final answer
    x = 22,757.32

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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.