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Finding the Fourth Proportional to 26,788, 36,967.44 and 15,612.16

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Solution

The fourth proportional to 26,788, 36,967.44 and 15,612.16 is: 21,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788 : 36,967.44 = 15,612.16 : x
  2. Step 2: Convert to fraction form
    26,788/36,967.44 = 15,612.16/x
  3. Step 3: Cross multiply
    26,788x = 36,967.44 × 15,612.16
  4. Step 4: Simplify right side
    26,788x = 577,141,588.07
  5. Step 5: Solve for x
    x = 577,141,588.07/26,788
  6. Step 6: Final answer
    x = 21,544.78

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1.5x scale

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.