Home / 29,145.60-40,217.28-16,570.56

Finding the Fourth Proportional to 29,145.60, 40,217.28 and 16,570.56

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Solution

The fourth proportional to 29,145.60, 40,217.28 and 16,570.56 is: 22,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.60 : 40,217.28 = 16,570.56 : x
  2. Step 2: Convert to fraction form
    29,145.60/40,217.28 = 16,570.56/x
  3. Step 3: Cross multiply
    29,145.60x = 40,217.28 × 16,570.56
  4. Step 4: Simplify right side
    29,145.60x = 666,422,851.28
  5. Step 5: Solve for x
    x = 666,422,851.28/29,145.60
  6. Step 6: Final answer
    x = 22,865.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.