Home / 27,208.08-40,773.80-21,636.70

Finding the Fourth Proportional to 27,208.08, 40,773.80 and 21,636.70

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Solution

The fourth proportional to 27,208.08, 40,773.80 and 21,636.70 is: 32,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.08 : 40,773.80 = 21,636.70 : x
  2. Step 2: Convert to fraction form
    27,208.08/40,773.80 = 21,636.70/x
  3. Step 3: Cross multiply
    27,208.08x = 40,773.80 × 21,636.70
  4. Step 4: Simplify right side
    27,208.08x = 882,210,478.46
  5. Step 5: Solve for x
    x = 882,210,478.46/27,208.08
  6. Step 6: Final answer
    x = 32,424.58

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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.