Home / 25,720.07-35,473.68-17,219.49

Finding the Fourth Proportional to 25,720.07, 35,473.68 and 17,219.49

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Solution

The fourth proportional to 25,720.07, 35,473.68 and 17,219.49 is: 23,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.07 : 35,473.68 = 17,219.49 : x
  2. Step 2: Convert to fraction form
    25,720.07/35,473.68 = 17,219.49/x
  3. Step 3: Cross multiply
    25,720.07x = 35,473.68 × 17,219.49
  4. Step 4: Simplify right side
    25,720.07x = 610,838,545.00
  5. Step 5: Solve for x
    x = 610,838,545.00/25,720.07
  6. Step 6: Final answer
    x = 23,749.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.