Home / 27,421.49-41,133.71-8,702.95

Finding the Fourth Proportional to 27,421.49, 41,133.71 and 8,702.95

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Solution

The fourth proportional to 27,421.49, 41,133.71 and 8,702.95 is: 13,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.49 : 41,133.71 = 8,702.95 : x
  2. Step 2: Convert to fraction form
    27,421.49/41,133.71 = 8,702.95/x
  3. Step 3: Cross multiply
    27,421.49x = 41,133.71 × 8,702.95
  4. Step 4: Simplify right side
    27,421.49x = 357,984,568.54
  5. Step 5: Solve for x
    x = 357,984,568.54/27,421.49
  6. Step 6: Final answer
    x = 13,054.89

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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.