Home / 28,023.63-38,673.41-15,449.19

Finding the Fourth Proportional to 28,023.63, 38,673.41 and 15,449.19

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Solution

The fourth proportional to 28,023.63, 38,673.41 and 15,449.19 is: 21,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.63 : 38,673.41 = 15,449.19 : x
  2. Step 2: Convert to fraction form
    28,023.63/38,673.41 = 15,449.19/x
  3. Step 3: Cross multiply
    28,023.63x = 38,673.41 × 15,449.19
  4. Step 4: Simplify right side
    28,023.63x = 597,472,859.04
  5. Step 5: Solve for x
    x = 597,472,859.04/28,023.63
  6. Step 6: Final answer
    x = 21,320.32

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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.