Home / 25,316.14-34,934.70-15,247.84

Finding the Fourth Proportional to 25,316.14, 34,934.70 and 15,247.84

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Solution

The fourth proportional to 25,316.14, 34,934.70 and 15,247.84 is: 21,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.14 : 34,934.70 = 15,247.84 : x
  2. Step 2: Convert to fraction form
    25,316.14/34,934.70 = 15,247.84/x
  3. Step 3: Cross multiply
    25,316.14x = 34,934.70 × 15,247.84
  4. Step 4: Simplify right side
    25,316.14x = 532,678,716.05
  5. Step 5: Solve for x
    x = 532,678,716.05/25,316.14
  6. Step 6: Final answer
    x = 21,041.07

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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.