Home / 52,725.40-79,065.06-15,780.76

Finding the Fourth Proportional to 52,725.40, 79,065.06 and 15,780.76

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Solution

The fourth proportional to 52,725.40, 79,065.06 and 15,780.76 is: 23,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.40 : 79,065.06 = 15,780.76 : x
  2. Step 2: Convert to fraction form
    52,725.40/79,065.06 = 15,780.76/x
  3. Step 3: Cross multiply
    52,725.40x = 79,065.06 × 15,780.76
  4. Step 4: Simplify right side
    52,725.40x = 1,247,706,736.25
  5. Step 5: Solve for x
    x = 1,247,706,736.25/52,725.40
  6. Step 6: Final answer
    x = 23,664.24

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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.