Home / 28,334.88-42,475.20-10,560.84

Finding the Fourth Proportional to 28,334.88, 42,475.20 and 10,560.84

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Solution

The fourth proportional to 28,334.88, 42,475.20 and 10,560.84 is: 15,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.88 : 42,475.20 = 10,560.84 : x
  2. Step 2: Convert to fraction form
    28,334.88/42,475.20 = 10,560.84/x
  3. Step 3: Cross multiply
    28,334.88x = 42,475.20 × 10,560.84
  4. Step 4: Simplify right side
    28,334.88x = 448,573,791.17
  5. Step 5: Solve for x
    x = 448,573,791.17/28,334.88
  6. Step 6: Final answer
    x = 15,831.15

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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.