Home / 38,974.64-58,438.60-17,888.31

Finding the Fourth Proportional to 38,974.64, 58,438.60 and 17,888.31

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Solution

The fourth proportional to 38,974.64, 58,438.60 and 17,888.31 is: 26,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.64 : 58,438.60 = 17,888.31 : x
  2. Step 2: Convert to fraction form
    38,974.64/58,438.60 = 17,888.31/x
  3. Step 3: Cross multiply
    38,974.64x = 58,438.60 × 17,888.31
  4. Step 4: Simplify right side
    38,974.64x = 1,045,367,748.05
  5. Step 5: Solve for x
    x = 1,045,367,748.05/38,974.64
  6. Step 6: Final answer
    x = 26,821.75

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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.