Home / 20,750.58-28,601.66-14,702.85

Finding the Fourth Proportional to 20,750.58, 28,601.66 and 14,702.85

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Solution

The fourth proportional to 20,750.58, 28,601.66 and 14,702.85 is: 20,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750.58 : 28,601.66 = 14,702.85 : x
  2. Step 2: Convert to fraction form
    20,750.58/28,601.66 = 14,702.85/x
  3. Step 3: Cross multiply
    20,750.58x = 28,601.66 × 14,702.85
  4. Step 4: Simplify right side
    20,750.58x = 420,525,870.78
  5. Step 5: Solve for x
    x = 420,525,870.78/20,750.58
  6. Step 6: Final answer
    x = 20,265.74

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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.