Home / 26,536.95-39,799.02-7,811.90

Finding the Fourth Proportional to 26,536.95, 39,799.02 and 7,811.90

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Solution

The fourth proportional to 26,536.95, 39,799.02 and 7,811.90 is: 11,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,536.95 : 39,799.02 = 7,811.90 : x
  2. Step 2: Convert to fraction form
    26,536.95/39,799.02 = 7,811.90/x
  3. Step 3: Cross multiply
    26,536.95x = 39,799.02 × 7,811.90
  4. Step 4: Simplify right side
    26,536.95x = 310,905,765.34
  5. Step 5: Solve for x
    x = 310,905,765.34/26,536.95
  6. Step 6: Final answer
    x = 11,715.96

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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.