Home / 21,275.92-31,913.88-9,592.48

Finding the Fourth Proportional to 21,275.92, 31,913.88 and 9,592.48

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Solution

The fourth proportional to 21,275.92, 31,913.88 and 9,592.48 is: 14,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.92 : 31,913.88 = 9,592.48 : x
  2. Step 2: Convert to fraction form
    21,275.92/31,913.88 = 9,592.48/x
  3. Step 3: Cross multiply
    21,275.92x = 31,913.88 × 9,592.48
  4. Step 4: Simplify right side
    21,275.92x = 306,133,255.62
  5. Step 5: Solve for x
    x = 306,133,255.62/21,275.92
  6. Step 6: Final answer
    x = 14,388.72

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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.