Home / 25,555.20-38,332.80-6,835.20

Finding the Fourth Proportional to 25,555.20, 38,332.80 and 6,835.20

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Solution

The fourth proportional to 25,555.20, 38,332.80 and 6,835.20 is: 10,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.20 : 38,332.80 = 6,835.20 : x
  2. Step 2: Convert to fraction form
    25,555.20/38,332.80 = 6,835.20/x
  3. Step 3: Cross multiply
    25,555.20x = 38,332.80 × 6,835.20
  4. Step 4: Simplify right side
    25,555.20x = 262,012,354.56
  5. Step 5: Solve for x
    x = 262,012,354.56/25,555.20
  6. Step 6: Final answer
    x = 10,252.80

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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.