Home / 27,685.35-41,498.86-13,805.19

Finding the Fourth Proportional to 27,685.35, 41,498.86 and 13,805.19

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Solution

The fourth proportional to 27,685.35, 41,498.86 and 13,805.19 is: 20,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.35 : 41,498.86 = 13,805.19 : x
  2. Step 2: Convert to fraction form
    27,685.35/41,498.86 = 13,805.19/x
  3. Step 3: Cross multiply
    27,685.35x = 41,498.86 × 13,805.19
  4. Step 4: Simplify right side
    27,685.35x = 572,899,647.08
  5. Step 5: Solve for x
    x = 572,899,647.08/27,685.35
  6. Step 6: Final answer
    x = 20,693.24

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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.