Home / 17,870.40-26,794.56-15,683.52

Finding the Fourth Proportional to 17,870.40, 26,794.56 and 15,683.52

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Solution

The fourth proportional to 17,870.40, 26,794.56 and 15,683.52 is: 23,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.40 : 26,794.56 = 15,683.52 : x
  2. Step 2: Convert to fraction form
    17,870.40/26,794.56 = 15,683.52/x
  3. Step 3: Cross multiply
    17,870.40x = 26,794.56 × 15,683.52
  4. Step 4: Simplify right side
    17,870.40x = 420,233,017.65
  5. Step 5: Solve for x
    x = 420,233,017.65/17,870.40
  6. Step 6: Final answer
    x = 23,515.59

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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.