Home / 19,291.07-28,945.98-8,767.95

Finding the Fourth Proportional to 19,291.07, 28,945.98 and 8,767.95

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Solution

The fourth proportional to 19,291.07, 28,945.98 and 8,767.95 is: 13,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.07 : 28,945.98 = 8,767.95 : x
  2. Step 2: Convert to fraction form
    19,291.07/28,945.98 = 8,767.95/x
  3. Step 3: Cross multiply
    19,291.07x = 28,945.98 × 8,767.95
  4. Step 4: Simplify right side
    19,291.07x = 253,796,905.34
  5. Step 5: Solve for x
    x = 253,796,905.34/19,291.07
  6. Step 6: Final answer
    x = 13,156.19

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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.