Home / 19,286.16-28,915.26-13,030.53

Finding the Fourth Proportional to 19,286.16, 28,915.26 and 13,030.53

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Solution

The fourth proportional to 19,286.16, 28,915.26 and 13,030.53 is: 19,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.16 : 28,915.26 = 13,030.53 : x
  2. Step 2: Convert to fraction form
    19,286.16/28,915.26 = 13,030.53/x
  3. Step 3: Cross multiply
    19,286.16x = 28,915.26 × 13,030.53
  4. Step 4: Simplify right side
    19,286.16x = 376,781,162.89
  5. Step 5: Solve for x
    x = 376,781,162.89/19,286.16
  6. Step 6: Final answer
    x = 19,536.35

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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.