Home / 20,384.00-27,979.86-18,095.85

Finding the Fourth Proportional to 20,384.00, 27,979.86 and 18,095.85

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Solution

The fourth proportional to 20,384.00, 27,979.86 and 18,095.85 is: 24,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384.00 : 27,979.86 = 18,095.85 : x
  2. Step 2: Convert to fraction form
    20,384.00/27,979.86 = 18,095.85/x
  3. Step 3: Cross multiply
    20,384.00x = 27,979.86 × 18,095.85
  4. Step 4: Simplify right side
    20,384.00x = 506,319,349.58
  5. Step 5: Solve for x
    x = 506,319,349.58/20,384.00
  6. Step 6: Final answer
    x = 24,839.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.