Home / 28,565.84-42,851.64-9,843.40

Finding the Fourth Proportional to 28,565.84, 42,851.64 and 9,843.40

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Solution

The fourth proportional to 28,565.84, 42,851.64 and 9,843.40 is: 14,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.84 : 42,851.64 = 9,843.40 : x
  2. Step 2: Convert to fraction form
    28,565.84/42,851.64 = 9,843.40/x
  3. Step 3: Cross multiply
    28,565.84x = 42,851.64 × 9,843.40
  4. Step 4: Simplify right side
    28,565.84x = 421,805,833.18
  5. Step 5: Solve for x
    x = 421,805,833.18/28,565.84
  6. Step 6: Final answer
    x = 14,766.09

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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.