Home / 28,291.66-42,376.76-26,635.52

Finding the Fourth Proportional to 28,291.66, 42,376.76 and 26,635.52

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Solution

The fourth proportional to 28,291.66, 42,376.76 and 26,635.52 is: 39,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.66 : 42,376.76 = 26,635.52 : x
  2. Step 2: Convert to fraction form
    28,291.66/42,376.76 = 26,635.52/x
  3. Step 3: Cross multiply
    28,291.66x = 42,376.76 × 26,635.52
  4. Step 4: Simplify right side
    28,291.66x = 1,128,727,106.06
  5. Step 5: Solve for x
    x = 1,128,727,106.06/28,291.66
  6. Step 6: Final answer
    x = 39,896.10

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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.