Home / 27,465.13-37,865.22-21,818.62

Finding the Fourth Proportional to 27,465.13, 37,865.22 and 21,818.62

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Solution

The fourth proportional to 27,465.13, 37,865.22 and 21,818.62 is: 30,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.13 : 37,865.22 = 21,818.62 : x
  2. Step 2: Convert to fraction form
    27,465.13/37,865.22 = 21,818.62/x
  3. Step 3: Cross multiply
    27,465.13x = 37,865.22 × 21,818.62
  4. Step 4: Simplify right side
    27,465.13x = 826,166,846.40
  5. Step 5: Solve for x
    x = 826,166,846.40/27,465.13
  6. Step 6: Final answer
    x = 30,080.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.