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Finding the Fourth Proportional to 63,903.48, 95,855.28 and 28,853.16

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Solution

The fourth proportional to 63,903.48, 95,855.28 and 28,853.16 is: 43,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,903.48 : 95,855.28 = 28,853.16 : x
  2. Step 2: Convert to fraction form
    63,903.48/95,855.28 = 28,853.16/x
  3. Step 3: Cross multiply
    63,903.48x = 95,855.28 × 28,853.16
  4. Step 4: Simplify right side
    63,903.48x = 2,765,727,730.68
  5. Step 5: Solve for x
    x = 2,765,727,730.68/63,903.48
  6. Step 6: Final answer
    x = 43,279.77

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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.