Home / 27,465.63-37,865.91-21,819.12

Finding the Fourth Proportional to 27,465.63, 37,865.91 and 21,819.12

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Solution

The fourth proportional to 27,465.63, 37,865.91 and 21,819.12 is: 30,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.63 : 37,865.91 = 21,819.12 : x
  2. Step 2: Convert to fraction form
    27,465.63/37,865.91 = 21,819.12/x
  3. Step 3: Cross multiply
    27,465.63x = 37,865.91 × 21,819.12
  4. Step 4: Simplify right side
    27,465.63x = 826,200,834.20
  5. Step 5: Solve for x
    x = 826,200,834.20/27,465.63
  6. Step 6: Final answer
    x = 30,081.26

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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.