Home / 28,095.32-42,144.60-10,565.30

Finding the Fourth Proportional to 28,095.32, 42,144.60 and 10,565.30

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Solution

The fourth proportional to 28,095.32, 42,144.60 and 10,565.30 is: 15,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.32 : 42,144.60 = 10,565.30 : x
  2. Step 2: Convert to fraction form
    28,095.32/42,144.60 = 10,565.30/x
  3. Step 3: Cross multiply
    28,095.32x = 42,144.60 × 10,565.30
  4. Step 4: Simplify right side
    28,095.32x = 445,270,342.38
  5. Step 5: Solve for x
    x = 445,270,342.38/28,095.32
  6. Step 6: Final answer
    x = 15,848.56

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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.