Home / 28,376.52-42,565.20-10,847.28

Finding the Fourth Proportional to 28,376.52, 42,565.20 and 10,847.28

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Solution

The fourth proportional to 28,376.52, 42,565.20 and 10,847.28 is: 16,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.52 : 42,565.20 = 10,847.28 : x
  2. Step 2: Convert to fraction form
    28,376.52/42,565.20 = 10,847.28/x
  3. Step 3: Cross multiply
    28,376.52x = 42,565.20 × 10,847.28
  4. Step 4: Simplify right side
    28,376.52x = 461,716,642.66
  5. Step 5: Solve for x
    x = 461,716,642.66/28,376.52
  6. Step 6: Final answer
    x = 16,271.08

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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.