Home / 17,439.28-26,140.56-5,749.36

Finding the Fourth Proportional to 17,439.28, 26,140.56 and 5,749.36

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Solution

The fourth proportional to 17,439.28, 26,140.56 and 5,749.36 is: 8,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.28 : 26,140.56 = 5,749.36 : x
  2. Step 2: Convert to fraction form
    17,439.28/26,140.56 = 5,749.36/x
  3. Step 3: Cross multiply
    17,439.28x = 26,140.56 × 5,749.36
  4. Step 4: Simplify right side
    17,439.28x = 150,291,490.04
  5. Step 5: Solve for x
    x = 150,291,490.04/17,439.28
  6. Step 6: Final answer
    x = 8,617.99

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1.5x scale

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.