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Finding the Fourth Proportional to 28,852.80, 43,348.56 and 27,259.71

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Solution

The fourth proportional to 28,852.80, 43,348.56 and 27,259.71 is: 40,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.80 : 43,348.56 = 27,259.71 : x
  2. Step 2: Convert to fraction form
    28,852.80/43,348.56 = 27,259.71/x
  3. Step 3: Cross multiply
    28,852.80x = 43,348.56 × 27,259.71
  4. Step 4: Simplify right side
    28,852.80x = 1,181,669,174.52
  5. Step 5: Solve for x
    x = 1,181,669,174.52/28,852.80
  6. Step 6: Final answer
    x = 40,955.10

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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.