Home / 25,527.81-38,291.75-12,382.12

Finding the Fourth Proportional to 25,527.81, 38,291.75 and 12,382.12

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Solution

The fourth proportional to 25,527.81, 38,291.75 and 12,382.12 is: 18,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,527.81 : 38,291.75 = 12,382.12 : x
  2. Step 2: Convert to fraction form
    25,527.81/38,291.75 = 12,382.12/x
  3. Step 3: Cross multiply
    25,527.81x = 38,291.75 × 12,382.12
  4. Step 4: Simplify right side
    25,527.81x = 474,133,043.51
  5. Step 5: Solve for x
    x = 474,133,043.51/25,527.81
  6. Step 6: Final answer
    x = 18,573.20

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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.