Home / 26,649.63-39,970.80-7,932.56

Finding the Fourth Proportional to 26,649.63, 39,970.80 and 7,932.56

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Solution

The fourth proportional to 26,649.63, 39,970.80 and 7,932.56 is: 11,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.63 : 39,970.80 = 7,932.56 : x
  2. Step 2: Convert to fraction form
    26,649.63/39,970.80 = 7,932.56/x
  3. Step 3: Cross multiply
    26,649.63x = 39,970.80 × 7,932.56
  4. Step 4: Simplify right side
    26,649.63x = 317,070,569.39
  5. Step 5: Solve for x
    x = 317,070,569.39/26,649.63
  6. Step 6: Final answer
    x = 11,897.75

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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.