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Finding the Fourth Proportional to 26,730, 36,885.96 and 14,792.76

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Solution

The fourth proportional to 26,730, 36,885.96 and 14,792.76 is: 20,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730 : 36,885.96 = 14,792.76 : x
  2. Step 2: Convert to fraction form
    26,730/36,885.96 = 14,792.76/x
  3. Step 3: Cross multiply
    26,730x = 36,885.96 × 14,792.76
  4. Step 4: Simplify right side
    26,730x = 545,645,153.65
  5. Step 5: Solve for x
    x = 545,645,153.65/26,730
  6. Step 6: Final answer
    x = 20,413.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.