Home / 28,368.88-42,553.26-7,591.84

Finding the Fourth Proportional to 28,368.88, 42,553.26 and 7,591.84

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Solution

The fourth proportional to 28,368.88, 42,553.26 and 7,591.84 is: 11,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.88 : 42,553.26 = 7,591.84 : x
  2. Step 2: Convert to fraction form
    28,368.88/42,553.26 = 7,591.84/x
  3. Step 3: Cross multiply
    28,368.88x = 42,553.26 × 7,591.84
  4. Step 4: Simplify right side
    28,368.88x = 323,057,541.40
  5. Step 5: Solve for x
    x = 323,057,541.40/28,368.88
  6. Step 6: Final answer
    x = 11,387.74

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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.