Home / 28,526.60-39,366.80-15,951.35

Finding the Fourth Proportional to 28,526.60, 39,366.80 and 15,951.35

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Solution

The fourth proportional to 28,526.60, 39,366.80 and 15,951.35 is: 22,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.60 : 39,366.80 = 15,951.35 : x
  2. Step 2: Convert to fraction form
    28,526.60/39,366.80 = 15,951.35/x
  3. Step 3: Cross multiply
    28,526.60x = 39,366.80 × 15,951.35
  4. Step 4: Simplify right side
    28,526.60x = 627,953,328.59
  5. Step 5: Solve for x
    x = 627,953,328.59/28,526.60
  6. Step 6: Final answer
    x = 22,012.91

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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.