Home / 26,736.85-36,897.72-15,405.47

Finding the Fourth Proportional to 26,736.85, 36,897.72 and 15,405.47

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Solution

The fourth proportional to 26,736.85, 36,897.72 and 15,405.47 is: 21,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.85 : 36,897.72 = 15,405.47 : x
  2. Step 2: Convert to fraction form
    26,736.85/36,897.72 = 15,405.47/x
  3. Step 3: Cross multiply
    26,736.85x = 36,897.72 × 15,405.47
  4. Step 4: Simplify right side
    26,736.85x = 568,426,718.53
  5. Step 5: Solve for x
    x = 568,426,718.53/26,736.85
  6. Step 6: Final answer
    x = 21,260.05

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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.