Home / 38,397.21-57,621.75-13,437.48

Finding the Fourth Proportional to 38,397.21, 57,621.75 and 13,437.48

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Solution

The fourth proportional to 38,397.21, 57,621.75 and 13,437.48 is: 20,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.21 : 57,621.75 = 13,437.48 : x
  2. Step 2: Convert to fraction form
    38,397.21/57,621.75 = 13,437.48/x
  3. Step 3: Cross multiply
    38,397.21x = 57,621.75 × 13,437.48
  4. Step 4: Simplify right side
    38,397.21x = 774,291,030.34
  5. Step 5: Solve for x
    x = 774,291,030.34/38,397.21
  6. Step 6: Final answer
    x = 20,165.29

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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.