Home / 25,574.10-38,367.90-8,934.09

Finding the Fourth Proportional to 25,574.10, 38,367.90 and 8,934.09

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Solution

The fourth proportional to 25,574.10, 38,367.90 and 8,934.09 is: 13,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.10 : 38,367.90 = 8,934.09 : x
  2. Step 2: Convert to fraction form
    25,574.10/38,367.90 = 8,934.09/x
  3. Step 3: Cross multiply
    25,574.10x = 38,367.90 × 8,934.09
  4. Step 4: Simplify right side
    25,574.10x = 342,782,271.71
  5. Step 5: Solve for x
    x = 342,782,271.71/25,574.10
  6. Step 6: Final answer
    x = 13,403.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.