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Finding the Fourth Proportional to 59,659.71, 89,482.83 and 15,286.80

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Solution

The fourth proportional to 59,659.71, 89,482.83 and 15,286.80 is: 22,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,659.71 : 89,482.83 = 15,286.80 : x
  2. Step 2: Convert to fraction form
    59,659.71/89,482.83 = 15,286.80/x
  3. Step 3: Cross multiply
    59,659.71x = 89,482.83 × 15,286.80
  4. Step 4: Simplify right side
    59,659.71x = 1,367,906,125.64
  5. Step 5: Solve for x
    x = 1,367,906,125.64/59,659.71
  6. Step 6: Final answer
    x = 22,928.47

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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.