Home / 42,108.99-63,144.98-15,795.28

Finding the Fourth Proportional to 42,108.99, 63,144.98 and 15,795.28

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Solution

The fourth proportional to 42,108.99, 63,144.98 and 15,795.28 is: 23,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.99 : 63,144.98 = 15,795.28 : x
  2. Step 2: Convert to fraction form
    42,108.99/63,144.98 = 15,795.28/x
  3. Step 3: Cross multiply
    42,108.99x = 63,144.98 × 15,795.28
  4. Step 4: Simplify right side
    42,108.99x = 997,392,639.69
  5. Step 5: Solve for x
    x = 997,392,639.69/42,108.99
  6. Step 6: Final answer
    x = 23,685.98

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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.