Home / 27,904.32-38,463.62-21,925.70

Finding the Fourth Proportional to 27,904.32, 38,463.62 and 21,925.70

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Solution

The fourth proportional to 27,904.32, 38,463.62 and 21,925.70 is: 30,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.32 : 38,463.62 = 21,925.70 : x
  2. Step 2: Convert to fraction form
    27,904.32/38,463.62 = 21,925.70/x
  3. Step 3: Cross multiply
    27,904.32x = 38,463.62 × 21,925.70
  4. Step 4: Simplify right side
    27,904.32x = 843,341,793.03
  5. Step 5: Solve for x
    x = 843,341,793.03/27,904.32
  6. Step 6: Final answer
    x = 30,222.62

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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.