Home / 23,113.38-31,865.49-15,152.70

Finding the Fourth Proportional to 23,113.38, 31,865.49 and 15,152.70

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Solution

The fourth proportional to 23,113.38, 31,865.49 and 15,152.70 is: 20,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.38 : 31,865.49 = 15,152.70 : x
  2. Step 2: Convert to fraction form
    23,113.38/31,865.49 = 15,152.70/x
  3. Step 3: Cross multiply
    23,113.38x = 31,865.49 × 15,152.70
  4. Step 4: Simplify right side
    23,113.38x = 482,848,210.32
  5. Step 5: Solve for x
    x = 482,848,210.32/23,113.38
  6. Step 6: Final answer
    x = 20,890.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.