Home / 25,409.35-35,066.21-15,337.65

Finding the Fourth Proportional to 25,409.35, 35,066.21 and 15,337.65

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Solution

The fourth proportional to 25,409.35, 35,066.21 and 15,337.65 is: 21,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.35 : 35,066.21 = 15,337.65 : x
  2. Step 2: Convert to fraction form
    25,409.35/35,066.21 = 15,337.65/x
  3. Step 3: Cross multiply
    25,409.35x = 35,066.21 × 15,337.65
  4. Step 4: Simplify right side
    25,409.35x = 537,833,179.12
  5. Step 5: Solve for x
    x = 537,833,179.12/25,409.35
  6. Step 6: Final answer
    x = 21,166.74

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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.