Home / 25,160.79-34,723.71-15,089.05

Finding the Fourth Proportional to 25,160.79, 34,723.71 and 15,089.05

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Solution

The fourth proportional to 25,160.79, 34,723.71 and 15,089.05 is: 20,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.79 : 34,723.71 = 15,089.05 : x
  2. Step 2: Convert to fraction form
    25,160.79/34,723.71 = 15,089.05/x
  3. Step 3: Cross multiply
    25,160.79x = 34,723.71 × 15,089.05
  4. Step 4: Simplify right side
    25,160.79x = 523,947,758.65
  5. Step 5: Solve for x
    x = 523,947,758.65/25,160.79
  6. Step 6: Final answer
    x = 20,823.98

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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.