Home / 25,281.20-37,921.44-11,430.20

Finding the Fourth Proportional to 25,281.20, 37,921.44 and 11,430.20

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Solution

The fourth proportional to 25,281.20, 37,921.44 and 11,430.20 is: 17,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.20 : 37,921.44 = 11,430.20 : x
  2. Step 2: Convert to fraction form
    25,281.20/37,921.44 = 11,430.20/x
  3. Step 3: Cross multiply
    25,281.20x = 37,921.44 × 11,430.20
  4. Step 4: Simplify right side
    25,281.20x = 433,449,643.49
  5. Step 5: Solve for x
    x = 433,449,643.49/25,281.20
  6. Step 6: Final answer
    x = 17,145.14

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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.