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Finding the Fourth Proportional to 26,643.04, 39,953.04 and 8,170.72

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Solution

The fourth proportional to 26,643.04, 39,953.04 and 8,170.72 is: 12,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.04 : 39,953.04 = 8,170.72 : x
  2. Step 2: Convert to fraction form
    26,643.04/39,953.04 = 8,170.72/x
  3. Step 3: Cross multiply
    26,643.04x = 39,953.04 × 8,170.72
  4. Step 4: Simplify right side
    26,643.04x = 326,445,102.99
  5. Step 5: Solve for x
    x = 326,445,102.99/26,643.04
  6. Step 6: Final answer
    x = 12,252.55

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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.