Home / 28,388.03-42,582.05-10,863.23

Finding the Fourth Proportional to 28,388.03, 42,582.05 and 10,863.23

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Solution

The fourth proportional to 28,388.03, 42,582.05 and 10,863.23 is: 16,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.03 : 42,582.05 = 10,863.23 : x
  2. Step 2: Convert to fraction form
    28,388.03/42,582.05 = 10,863.23/x
  3. Step 3: Cross multiply
    28,388.03x = 42,582.05 × 10,863.23
  4. Step 4: Simplify right side
    28,388.03x = 462,578,603.02
  5. Step 5: Solve for x
    x = 462,578,603.02/28,388.03
  6. Step 6: Final answer
    x = 16,294.85

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Similar ratio
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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.