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Finding the Fourth Proportional to 26,502.66, 39,746.07 and 8,730.04

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Solution

The fourth proportional to 26,502.66, 39,746.07 and 8,730.04 is: 13,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,502.66 : 39,746.07 = 8,730.04 : x
  2. Step 2: Convert to fraction form
    26,502.66/39,746.07 = 8,730.04/x
  3. Step 3: Cross multiply
    26,502.66x = 39,746.07 × 8,730.04
  4. Step 4: Simplify right side
    26,502.66x = 346,984,780.94
  5. Step 5: Solve for x
    x = 346,984,780.94/26,502.66
  6. Step 6: Final answer
    x = 13,092.45

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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.