Home / 15,290.36-22,937.81-5,428.81

Finding the Fourth Proportional to 15,290.36, 22,937.81 and 5,428.81

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Solution

The fourth proportional to 15,290.36, 22,937.81 and 5,428.81 is: 8,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.36 : 22,937.81 = 5,428.81 : x
  2. Step 2: Convert to fraction form
    15,290.36/22,937.81 = 5,428.81/x
  3. Step 3: Cross multiply
    15,290.36x = 22,937.81 × 5,428.81
  4. Step 4: Simplify right side
    15,290.36x = 124,524,968.53
  5. Step 5: Solve for x
    x = 124,524,968.53/15,290.36
  6. Step 6: Final answer
    x = 8,144.02

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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.