Home / 27,228.76-40,812.53-13,864.25

Finding the Fourth Proportional to 27,228.76, 40,812.53 and 13,864.25

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Solution

The fourth proportional to 27,228.76, 40,812.53 and 13,864.25 is: 20,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.76 : 40,812.53 = 13,864.25 : x
  2. Step 2: Convert to fraction form
    27,228.76/40,812.53 = 13,864.25/x
  3. Step 3: Cross multiply
    27,228.76x = 40,812.53 × 13,864.25
  4. Step 4: Simplify right side
    27,228.76x = 565,835,151.76
  5. Step 5: Solve for x
    x = 565,835,151.76/27,228.76
  6. Step 6: Final answer
    x = 20,780.79

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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.