Home / 26,343.28-39,514.65-6,621.40

Finding the Fourth Proportional to 26,343.28, 39,514.65 and 6,621.40

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Solution

The fourth proportional to 26,343.28, 39,514.65 and 6,621.40 is: 9,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.28 : 39,514.65 = 6,621.40 : x
  2. Step 2: Convert to fraction form
    26,343.28/39,514.65 = 6,621.40/x
  3. Step 3: Cross multiply
    26,343.28x = 39,514.65 × 6,621.40
  4. Step 4: Simplify right side
    26,343.28x = 261,642,303.51
  5. Step 5: Solve for x
    x = 261,642,303.51/26,343.28
  6. Step 6: Final answer
    x = 9,932.03

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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.