Home / 25,718.81-38,583.14-9,076.95

Finding the Fourth Proportional to 25,718.81, 38,583.14 and 9,076.95

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Solution

The fourth proportional to 25,718.81, 38,583.14 and 9,076.95 is: 13,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.81 : 38,583.14 = 9,076.95 : x
  2. Step 2: Convert to fraction form
    25,718.81/38,583.14 = 9,076.95/x
  3. Step 3: Cross multiply
    25,718.81x = 38,583.14 × 9,076.95
  4. Step 4: Simplify right side
    25,718.81x = 350,217,187.24
  5. Step 5: Solve for x
    x = 350,217,187.24/25,718.81
  6. Step 6: Final answer
    x = 13,617.16

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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.