Home / 15,290.30-22,935.93-5,429.42

Finding the Fourth Proportional to 15,290.30, 22,935.93 and 5,429.42

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Solution

The fourth proportional to 15,290.30, 22,935.93 and 5,429.42 is: 8,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.30 : 22,935.93 = 5,429.42 : x
  2. Step 2: Convert to fraction form
    15,290.30/22,935.93 = 5,429.42/x
  3. Step 3: Cross multiply
    15,290.30x = 22,935.93 × 5,429.42
  4. Step 4: Simplify right side
    15,290.30x = 124,528,797.06
  5. Step 5: Solve for x
    x = 124,528,797.06/15,290.30
  6. Step 6: Final answer
    x = 8,144.30

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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.