Home / 28,236.45-42,358.59-9,521.85

Finding the Fourth Proportional to 28,236.45, 42,358.59 and 9,521.85

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Solution

The fourth proportional to 28,236.45, 42,358.59 and 9,521.85 is: 14,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.45 : 42,358.59 = 9,521.85 : x
  2. Step 2: Convert to fraction form
    28,236.45/42,358.59 = 9,521.85/x
  3. Step 3: Cross multiply
    28,236.45x = 42,358.59 × 9,521.85
  4. Step 4: Simplify right side
    28,236.45x = 403,332,140.19
  5. Step 5: Solve for x
    x = 403,332,140.19/28,236.45
  6. Step 6: Final answer
    x = 14,284.10

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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.