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Finding the Fourth Proportional to 26,597.42, 39,824.13 and 17,813.42

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Solution

The fourth proportional to 26,597.42, 39,824.13 and 17,813.42 is: 26,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.42 : 39,824.13 = 17,813.42 : x
  2. Step 2: Convert to fraction form
    26,597.42/39,824.13 = 17,813.42/x
  3. Step 3: Cross multiply
    26,597.42x = 39,824.13 × 17,813.42
  4. Step 4: Simplify right side
    26,597.42x = 709,403,953.82
  5. Step 5: Solve for x
    x = 709,403,953.82/26,597.42
  6. Step 6: Final answer
    x = 26,671.91

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1.5x scale

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.