Home / 26,486.87-36,548.89-15,727.91

Finding the Fourth Proportional to 26,486.87, 36,548.89 and 15,727.91

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Solution

The fourth proportional to 26,486.87, 36,548.89 and 15,727.91 is: 21,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.87 : 36,548.89 = 15,727.91 : x
  2. Step 2: Convert to fraction form
    26,486.87/36,548.89 = 15,727.91/x
  3. Step 3: Cross multiply
    26,486.87x = 36,548.89 × 15,727.91
  4. Step 4: Simplify right side
    26,486.87x = 574,837,430.46
  5. Step 5: Solve for x
    x = 574,837,430.46/26,486.87
  6. Step 6: Final answer
    x = 21,702.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.