Home / 28,086.24-42,030.20-26,487.66

Finding the Fourth Proportional to 28,086.24, 42,030.20 and 26,487.66

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Solution

The fourth proportional to 28,086.24, 42,030.20 and 26,487.66 is: 39,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.24 : 42,030.20 = 26,487.66 : x
  2. Step 2: Convert to fraction form
    28,086.24/42,030.20 = 26,487.66/x
  3. Step 3: Cross multiply
    28,086.24x = 42,030.20 × 26,487.66
  4. Step 4: Simplify right side
    28,086.24x = 1,113,281,647.33
  5. Step 5: Solve for x
    x = 1,113,281,647.33/28,086.24
  6. Step 6: Final answer
    x = 39,637.97

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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.