Home / 26,115.51-36,026.72-15,497.63

Finding the Fourth Proportional to 26,115.51, 36,026.72 and 15,497.63

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Solution

The fourth proportional to 26,115.51, 36,026.72 and 15,497.63 is: 21,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.51 : 36,026.72 = 15,497.63 : x
  2. Step 2: Convert to fraction form
    26,115.51/36,026.72 = 15,497.63/x
  3. Step 3: Cross multiply
    26,115.51x = 36,026.72 × 15,497.63
  4. Step 4: Simplify right side
    26,115.51x = 558,328,799.44
  5. Step 5: Solve for x
    x = 558,328,799.44/26,115.51
  6. Step 6: Final answer
    x = 21,379.20

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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.