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Finding the Fourth Proportional to 17,907.21, 26,851.59 and 8,038.04

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Solution

The fourth proportional to 17,907.21, 26,851.59 and 8,038.04 is: 12,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.21 : 26,851.59 = 8,038.04 : x
  2. Step 2: Convert to fraction form
    17,907.21/26,851.59 = 8,038.04/x
  3. Step 3: Cross multiply
    17,907.21x = 26,851.59 × 8,038.04
  4. Step 4: Simplify right side
    17,907.21x = 215,834,154.48
  5. Step 5: Solve for x
    x = 215,834,154.48/17,907.21
  6. Step 6: Final answer
    x = 12,052.92

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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.