Home / 57,810.21-86,705.07-15,693.56

Finding the Fourth Proportional to 57,810.21, 86,705.07 and 15,693.56

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Solution

The fourth proportional to 57,810.21, 86,705.07 and 15,693.56 is: 23,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.21 : 86,705.07 = 15,693.56 : x
  2. Step 2: Convert to fraction form
    57,810.21/86,705.07 = 15,693.56/x
  3. Step 3: Cross multiply
    57,810.21x = 86,705.07 × 15,693.56
  4. Step 4: Simplify right side
    57,810.21x = 1,360,711,218.35
  5. Step 5: Solve for x
    x = 1,360,711,218.35/57,810.21
  6. Step 6: Final answer
    x = 23,537.56

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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.