Home / 25,681.05-38,527.65-8,151.03

Finding the Fourth Proportional to 25,681.05, 38,527.65 and 8,151.03

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Solution

The fourth proportional to 25,681.05, 38,527.65 and 8,151.03 is: 12,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.05 : 38,527.65 = 8,151.03 : x
  2. Step 2: Convert to fraction form
    25,681.05/38,527.65 = 8,151.03/x
  3. Step 3: Cross multiply
    25,681.05x = 38,527.65 × 8,151.03
  4. Step 4: Simplify right side
    25,681.05x = 314,040,030.98
  5. Step 5: Solve for x
    x = 314,040,030.98/25,681.05
  6. Step 6: Final answer
    x = 12,228.47

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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.