Home / 34,256.64-47,275.98-20,825.70

Finding the Fourth Proportional to 34,256.64, 47,275.98 and 20,825.70

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Solution

The fourth proportional to 34,256.64, 47,275.98 and 20,825.70 is: 28,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,256.64 : 47,275.98 = 20,825.70 : x
  2. Step 2: Convert to fraction form
    34,256.64/47,275.98 = 20,825.70/x
  3. Step 3: Cross multiply
    34,256.64x = 47,275.98 × 20,825.70
  4. Step 4: Simplify right side
    34,256.64x = 984,555,376.69
  5. Step 5: Solve for x
    x = 984,555,376.69/34,256.64
  6. Step 6: Final answer
    x = 28,740.57

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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.