Home / 27,207.08-40,772.30-21,635.70

Finding the Fourth Proportional to 27,207.08, 40,772.30 and 21,635.70

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Solution

The fourth proportional to 27,207.08, 40,772.30 and 21,635.70 is: 32,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.08 : 40,772.30 = 21,635.70 : x
  2. Step 2: Convert to fraction form
    27,207.08/40,772.30 = 21,635.70/x
  3. Step 3: Cross multiply
    27,207.08x = 40,772.30 × 21,635.70
  4. Step 4: Simplify right side
    27,207.08x = 882,137,251.11
  5. Step 5: Solve for x
    x = 882,137,251.11/27,207.08
  6. Step 6: Final answer
    x = 32,423.08

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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.