Home / 27,300.96-40,897.14-21,039.18

Finding the Fourth Proportional to 27,300.96, 40,897.14 and 21,039.18

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Solution

The fourth proportional to 27,300.96, 40,897.14 and 21,039.18 is: 31,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.96 : 40,897.14 = 21,039.18 : x
  2. Step 2: Convert to fraction form
    27,300.96/40,897.14 = 21,039.18/x
  3. Step 3: Cross multiply
    27,300.96x = 40,897.14 × 21,039.18
  4. Step 4: Simplify right side
    27,300.96x = 860,442,289.95
  5. Step 5: Solve for x
    x = 860,442,289.95/27,300.96
  6. Step 6: Final answer
    x = 31,516.92

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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.