Home / 38,568.16-57,865.44-17,776

Finding the Fourth Proportional to 38,568.16, 57,865.44 and 17,776

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Solution

The fourth proportional to 38,568.16, 57,865.44 and 17,776 is: 26,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.16 : 57,865.44 = 17,776 : x
  2. Step 2: Convert to fraction form
    38,568.16/57,865.44 = 17,776/x
  3. Step 3: Cross multiply
    38,568.16x = 57,865.44 × 17,776
  4. Step 4: Simplify right side
    38,568.16x = 1,028,616,061.44
  5. Step 5: Solve for x
    x = 1,028,616,061.44/38,568.16
  6. Step 6: Final answer
    x = 26,670.08

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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.