Home / 28,309.44-42,465.12-7,532.96

Finding the Fourth Proportional to 28,309.44, 42,465.12 and 7,532.96

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Solution

The fourth proportional to 28,309.44, 42,465.12 and 7,532.96 is: 11,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.44 : 42,465.12 = 7,532.96 : x
  2. Step 2: Convert to fraction form
    28,309.44/42,465.12 = 7,532.96/x
  3. Step 3: Cross multiply
    28,309.44x = 42,465.12 × 7,532.96
  4. Step 4: Simplify right side
    28,309.44x = 319,888,050.36
  5. Step 5: Solve for x
    x = 319,888,050.36/28,309.44
  6. Step 6: Final answer
    x = 11,299.70

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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.