Home / 25,047.42-34,568.49-14,975.76

Finding the Fourth Proportional to 25,047.42, 34,568.49 and 14,975.76

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Solution

The fourth proportional to 25,047.42, 34,568.49 and 14,975.76 is: 20,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.42 : 34,568.49 = 14,975.76 : x
  2. Step 2: Convert to fraction form
    25,047.42/34,568.49 = 14,975.76/x
  3. Step 3: Cross multiply
    25,047.42x = 34,568.49 × 14,975.76
  4. Step 4: Simplify right side
    25,047.42x = 517,689,409.80
  5. Step 5: Solve for x
    x = 517,689,409.80/25,047.42
  6. Step 6: Final answer
    x = 20,668.37

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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.