Home / 56,421.28-84,687-26,859.52

Finding the Fourth Proportional to 56,421.28, 84,687 and 26,859.52

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Solution

The fourth proportional to 56,421.28, 84,687 and 26,859.52 is: 40,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.28 : 84,687 = 26,859.52 : x
  2. Step 2: Convert to fraction form
    56,421.28/84,687 = 26,859.52/x
  3. Step 3: Cross multiply
    56,421.28x = 84,687 × 26,859.52
  4. Step 4: Simplify right side
    56,421.28x = 2,274,652,170.24
  5. Step 5: Solve for x
    x = 2,274,652,170.24/56,421.28
  6. Step 6: Final answer
    x = 40,315.50

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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.