Home / 25,521.86-35,212.04-15,447.08

Finding the Fourth Proportional to 25,521.86, 35,212.04 and 15,447.08

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Solution

The fourth proportional to 25,521.86, 35,212.04 and 15,447.08 is: 21,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.86 : 35,212.04 = 15,447.08 : x
  2. Step 2: Convert to fraction form
    25,521.86/35,212.04 = 15,447.08/x
  3. Step 3: Cross multiply
    25,521.86x = 35,212.04 × 15,447.08
  4. Step 4: Simplify right side
    25,521.86x = 543,923,198.84
  5. Step 5: Solve for x
    x = 543,923,198.84/25,521.86
  6. Step 6: Final answer
    x = 21,312.05

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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.