Home / 28,817.22-43,141.76-17,690.17

Finding the Fourth Proportional to 28,817.22, 43,141.76 and 17,690.17

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Solution

The fourth proportional to 28,817.22, 43,141.76 and 17,690.17 is: 26,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.22 : 43,141.76 = 17,690.17 : x
  2. Step 2: Convert to fraction form
    28,817.22/43,141.76 = 17,690.17/x
  3. Step 3: Cross multiply
    28,817.22x = 43,141.76 × 17,690.17
  4. Step 4: Simplify right side
    28,817.22x = 763,185,068.50
  5. Step 5: Solve for x
    x = 763,185,068.50/28,817.22
  6. Step 6: Final answer
    x = 26,483.65

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1.5x scale

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.