Home / 22,256.50-33,336.76-20,947.95

Finding the Fourth Proportional to 22,256.50, 33,336.76 and 20,947.95

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Solution

The fourth proportional to 22,256.50, 33,336.76 and 20,947.95 is: 31,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.50 : 33,336.76 = 20,947.95 : x
  2. Step 2: Convert to fraction form
    22,256.50/33,336.76 = 20,947.95/x
  3. Step 3: Cross multiply
    22,256.50x = 33,336.76 × 20,947.95
  4. Step 4: Simplify right side
    22,256.50x = 698,336,510.22
  5. Step 5: Solve for x
    x = 698,336,510.22/22,256.50
  6. Step 6: Final answer
    x = 31,376.74

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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.