Home / 25,997.86-39,001.65-10,416.70

Finding the Fourth Proportional to 25,997.86, 39,001.65 and 10,416.70

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Solution

The fourth proportional to 25,997.86, 39,001.65 and 10,416.70 is: 15,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.86 : 39,001.65 = 10,416.70 : x
  2. Step 2: Convert to fraction form
    25,997.86/39,001.65 = 10,416.70/x
  3. Step 3: Cross multiply
    25,997.86x = 39,001.65 × 10,416.70
  4. Step 4: Simplify right side
    25,997.86x = 406,268,240.46
  5. Step 5: Solve for x
    x = 406,268,240.46/25,997.86
  6. Step 6: Final answer
    x = 15,626.99

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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.