Home / 38,547.20-57,782.40-17,734.40

Finding the Fourth Proportional to 38,547.20, 57,782.40 and 17,734.40

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Solution

The fourth proportional to 38,547.20, 57,782.40 and 17,734.40 is: 26,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547.20 : 57,782.40 = 17,734.40 : x
  2. Step 2: Convert to fraction form
    38,547.20/57,782.40 = 17,734.40/x
  3. Step 3: Cross multiply
    38,547.20x = 57,782.40 × 17,734.40
  4. Step 4: Simplify right side
    38,547.20x = 1,024,736,194.56
  5. Step 5: Solve for x
    x = 1,024,736,194.56/38,547.20
  6. Step 6: Final answer
    x = 26,583.93

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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.