Home / 25,115.16-37,655.70-10,319.80

Finding the Fourth Proportional to 25,115.16, 37,655.70 and 10,319.80

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Solution

The fourth proportional to 25,115.16, 37,655.70 and 10,319.80 is: 15,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.16 : 37,655.70 = 10,319.80 : x
  2. Step 2: Convert to fraction form
    25,115.16/37,655.70 = 10,319.80/x
  3. Step 3: Cross multiply
    25,115.16x = 37,655.70 × 10,319.80
  4. Step 4: Simplify right side
    25,115.16x = 388,599,292.86
  5. Step 5: Solve for x
    x = 388,599,292.86/25,115.16
  6. Step 6: Final answer
    x = 15,472.70

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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.