Home / 28,063.59-38,727.68-15,488.25

Finding the Fourth Proportional to 28,063.59, 38,727.68 and 15,488.25

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Solution

The fourth proportional to 28,063.59, 38,727.68 and 15,488.25 is: 21,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.59 : 38,727.68 = 15,488.25 : x
  2. Step 2: Convert to fraction form
    28,063.59/38,727.68 = 15,488.25/x
  3. Step 3: Cross multiply
    28,063.59x = 38,727.68 × 15,488.25
  4. Step 4: Simplify right side
    28,063.59x = 599,823,912.32
  5. Step 5: Solve for x
    x = 599,823,912.32/28,063.59
  6. Step 6: Final answer
    x = 21,373.74

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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.