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Finding the Fourth Proportional to 64,288.58, 96,448.26 and 26,827.81

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Solution

The fourth proportional to 64,288.58, 96,448.26 and 26,827.81 is: 40,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,288.58 : 96,448.26 = 26,827.81 : x
  2. Step 2: Convert to fraction form
    64,288.58/96,448.26 = 26,827.81/x
  3. Step 3: Cross multiply
    64,288.58x = 96,448.26 × 26,827.81
  4. Step 4: Simplify right side
    64,288.58x = 2,587,495,594.11
  5. Step 5: Solve for x
    x = 2,587,495,594.11/64,288.58
  6. Step 6: Final answer
    x = 40,248.14

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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.