Home / 25,661.18-38,462.59-10,860.86

Finding the Fourth Proportional to 25,661.18, 38,462.59 and 10,860.86

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Solution

The fourth proportional to 25,661.18, 38,462.59 and 10,860.86 is: 16,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.18 : 38,462.59 = 10,860.86 : x
  2. Step 2: Convert to fraction form
    25,661.18/38,462.59 = 10,860.86/x
  3. Step 3: Cross multiply
    25,661.18x = 38,462.59 × 10,860.86
  4. Step 4: Simplify right side
    25,661.18x = 417,736,805.23
  5. Step 5: Solve for x
    x = 417,736,805.23/25,661.18
  6. Step 6: Final answer
    x = 16,278.94

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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.