Home / 25,443.81-38,162.07-12,292.65

Finding the Fourth Proportional to 25,443.81, 38,162.07 and 12,292.65

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Solution

The fourth proportional to 25,443.81, 38,162.07 and 12,292.65 is: 18,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.81 : 38,162.07 = 12,292.65 : x
  2. Step 2: Convert to fraction form
    25,443.81/38,162.07 = 12,292.65/x
  3. Step 3: Cross multiply
    25,443.81x = 38,162.07 × 12,292.65
  4. Step 4: Simplify right side
    25,443.81x = 469,112,969.79
  5. Step 5: Solve for x
    x = 469,112,969.79/25,443.81
  6. Step 6: Final answer
    x = 18,437.21

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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.