Home / 40,422.51-60,632.28-10,838.75

Finding the Fourth Proportional to 40,422.51, 60,632.28 and 10,838.75

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Solution

The fourth proportional to 40,422.51, 60,632.28 and 10,838.75 is: 16,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.51 : 60,632.28 = 10,838.75 : x
  2. Step 2: Convert to fraction form
    40,422.51/60,632.28 = 10,838.75/x
  3. Step 3: Cross multiply
    40,422.51x = 60,632.28 × 10,838.75
  4. Step 4: Simplify right side
    40,422.51x = 657,177,821.69
  5. Step 5: Solve for x
    x = 657,177,821.69/40,422.51
  6. Step 6: Final answer
    x = 16,257.72

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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.