Home / 28,296.57-42,444.70-7,236.57

Finding the Fourth Proportional to 28,296.57, 42,444.70 and 7,236.57

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Solution

The fourth proportional to 28,296.57, 42,444.70 and 7,236.57 is: 10,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.57 : 42,444.70 = 7,236.57 : x
  2. Step 2: Convert to fraction form
    28,296.57/42,444.70 = 7,236.57/x
  3. Step 3: Cross multiply
    28,296.57x = 42,444.70 × 7,236.57
  4. Step 4: Simplify right side
    28,296.57x = 307,154,233.72
  5. Step 5: Solve for x
    x = 307,154,233.72/28,296.57
  6. Step 6: Final answer
    x = 10,854.82

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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.