Home / 18,570.90-27,823.88-15,470.76

Finding the Fourth Proportional to 18,570.90, 27,823.88 and 15,470.76

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Solution

The fourth proportional to 18,570.90, 27,823.88 and 15,470.76 is: 23,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.90 : 27,823.88 = 15,470.76 : x
  2. Step 2: Convert to fraction form
    18,570.90/27,823.88 = 15,470.76/x
  3. Step 3: Cross multiply
    18,570.90x = 27,823.88 × 15,470.76
  4. Step 4: Simplify right side
    18,570.90x = 430,456,569.75
  5. Step 5: Solve for x
    x = 430,456,569.75/18,570.90
  6. Step 6: Final answer
    x = 23,179.09

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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.