Home / 43,677.28-65,518.67-11,655.74

Finding the Fourth Proportional to 43,677.28, 65,518.67 and 11,655.74

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Solution

The fourth proportional to 43,677.28, 65,518.67 and 11,655.74 is: 17,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,677.28 : 65,518.67 = 11,655.74 : x
  2. Step 2: Convert to fraction form
    43,677.28/65,518.67 = 11,655.74/x
  3. Step 3: Cross multiply
    43,677.28x = 65,518.67 × 11,655.74
  4. Step 4: Simplify right side
    43,677.28x = 763,668,655.78
  5. Step 5: Solve for x
    x = 763,668,655.78/43,677.28
  6. Step 6: Final answer
    x = 17,484.35

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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.