Home / 28,248.69-42,372.72-6,901.59

Finding the Fourth Proportional to 28,248.69, 42,372.72 and 6,901.59

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Solution

The fourth proportional to 28,248.69, 42,372.72 and 6,901.59 is: 10,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.69 : 42,372.72 = 6,901.59 : x
  2. Step 2: Convert to fraction form
    28,248.69/42,372.72 = 6,901.59/x
  3. Step 3: Cross multiply
    28,248.69x = 42,372.72 × 6,901.59
  4. Step 4: Simplify right side
    28,248.69x = 292,439,140.62
  5. Step 5: Solve for x
    x = 292,439,140.62/28,248.69
  6. Step 6: Final answer
    x = 10,352.31

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1.5x scale

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.