Home / 42,972.16-64,484.16-15,268

Finding the Fourth Proportional to 42,972.16, 64,484.16 and 15,268

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Solution

The fourth proportional to 42,972.16, 64,484.16 and 15,268 is: 22,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.16 : 64,484.16 = 15,268 : x
  2. Step 2: Convert to fraction form
    42,972.16/64,484.16 = 15,268/x
  3. Step 3: Cross multiply
    42,972.16x = 64,484.16 × 15,268
  4. Step 4: Simplify right side
    42,972.16x = 984,544,154.88
  5. Step 5: Solve for x
    x = 984,544,154.88/42,972.16
  6. Step 6: Final answer
    x = 22,911.21

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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.