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Finding the Fourth Proportional to 26,548.32, 39,821.16 and 9,907.08

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Solution

The fourth proportional to 26,548.32, 39,821.16 and 9,907.08 is: 14,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.32 : 39,821.16 = 9,907.08 : x
  2. Step 2: Convert to fraction form
    26,548.32/39,821.16 = 9,907.08/x
  3. Step 3: Cross multiply
    26,548.32x = 39,821.16 × 9,907.08
  4. Step 4: Simplify right side
    26,548.32x = 394,511,417.81
  5. Step 5: Solve for x
    x = 394,511,417.81/26,548.32
  6. Step 6: Final answer
    x = 14,860.13

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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.