Home / 26,555.01-39,823.22-7,830.07

Finding the Fourth Proportional to 26,555.01, 39,823.22 and 7,830.07

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Solution

The fourth proportional to 26,555.01, 39,823.22 and 7,830.07 is: 11,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.01 : 39,823.22 = 7,830.07 : x
  2. Step 2: Convert to fraction form
    26,555.01/39,823.22 = 7,830.07/x
  3. Step 3: Cross multiply
    26,555.01x = 39,823.22 × 7,830.07
  4. Step 4: Simplify right side
    26,555.01x = 311,818,600.23
  5. Step 5: Solve for x
    x = 311,818,600.23/26,555.01
  6. Step 6: Final answer
    x = 11,742.36

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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.