Home / 42,267.75-63,377.91-28,955.79

Finding the Fourth Proportional to 42,267.75, 63,377.91 and 28,955.79

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Solution

The fourth proportional to 42,267.75, 63,377.91 and 28,955.79 is: 43,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.75 : 63,377.91 = 28,955.79 : x
  2. Step 2: Convert to fraction form
    42,267.75/63,377.91 = 28,955.79/x
  3. Step 3: Cross multiply
    42,267.75x = 63,377.91 × 28,955.79
  4. Step 4: Simplify right side
    42,267.75x = 1,835,157,452.60
  5. Step 5: Solve for x
    x = 1,835,157,452.60/42,267.75
  6. Step 6: Final answer
    x = 43,417.44

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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.