Home / 25,509.60-38,279.16-10,717.20

Finding the Fourth Proportional to 25,509.60, 38,279.16 and 10,717.20

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Solution

The fourth proportional to 25,509.60, 38,279.16 and 10,717.20 is: 16,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.60 : 38,279.16 = 10,717.20 : x
  2. Step 2: Convert to fraction form
    25,509.60/38,279.16 = 10,717.20/x
  3. Step 3: Cross multiply
    25,509.60x = 38,279.16 × 10,717.20
  4. Step 4: Simplify right side
    25,509.60x = 410,245,413.55
  5. Step 5: Solve for x
    x = 410,245,413.55/25,509.60
  6. Step 6: Final answer
    x = 16,082.00

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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.