Home / 28,859.22-43,271.31-11,308.02

Finding the Fourth Proportional to 28,859.22, 43,271.31 and 11,308.02

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Solution

The fourth proportional to 28,859.22, 43,271.31 and 11,308.02 is: 16,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.22 : 43,271.31 = 11,308.02 : x
  2. Step 2: Convert to fraction form
    28,859.22/43,271.31 = 11,308.02/x
  3. Step 3: Cross multiply
    28,859.22x = 43,271.31 × 11,308.02
  4. Step 4: Simplify right side
    28,859.22x = 489,312,838.91
  5. Step 5: Solve for x
    x = 489,312,838.91/28,859.22
  6. Step 6: Final answer
    x = 16,955.17

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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.