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Finding the Fourth Proportional to 26,678.71, 40,017.88 and 10,880.20

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Solution

The fourth proportional to 26,678.71, 40,017.88 and 10,880.20 is: 16,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.71 : 40,017.88 = 10,880.20 : x
  2. Step 2: Convert to fraction form
    26,678.71/40,017.88 = 10,880.20/x
  3. Step 3: Cross multiply
    26,678.71x = 40,017.88 × 10,880.20
  4. Step 4: Simplify right side
    26,678.71x = 435,402,537.98
  5. Step 5: Solve for x
    x = 435,402,537.98/26,678.71
  6. Step 6: Final answer
    x = 16,320.22

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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.