Home / 25,578.34-38,364.76-6,860.24

Finding the Fourth Proportional to 25,578.34, 38,364.76 and 6,860.24

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Solution

The fourth proportional to 25,578.34, 38,364.76 and 6,860.24 is: 10,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.34 : 38,364.76 = 6,860.24 : x
  2. Step 2: Convert to fraction form
    25,578.34/38,364.76 = 6,860.24/x
  3. Step 3: Cross multiply
    25,578.34x = 38,364.76 × 6,860.24
  4. Step 4: Simplify right side
    25,578.34x = 263,191,461.14
  5. Step 5: Solve for x
    x = 263,191,461.14/25,578.34
  6. Step 6: Final answer
    x = 10,289.62

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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.