Home / 28,239.81-42,352.59-11,604.44

Finding the Fourth Proportional to 28,239.81, 42,352.59 and 11,604.44

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Solution

The fourth proportional to 28,239.81, 42,352.59 and 11,604.44 is: 17,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.81 : 42,352.59 = 11,604.44 : x
  2. Step 2: Convert to fraction form
    28,239.81/42,352.59 = 11,604.44/x
  3. Step 3: Cross multiply
    28,239.81x = 42,352.59 × 11,604.44
  4. Step 4: Simplify right side
    28,239.81x = 491,477,877.74
  5. Step 5: Solve for x
    x = 491,477,877.74/28,239.81
  6. Step 6: Final answer
    x = 17,403.72

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1.5x scale

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.