Home / 28,207.15-38,924.51-16,274.33

Finding the Fourth Proportional to 28,207.15, 38,924.51 and 16,274.33

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Solution

The fourth proportional to 28,207.15, 38,924.51 and 16,274.33 is: 22,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.15 : 38,924.51 = 16,274.33 : x
  2. Step 2: Convert to fraction form
    28,207.15/38,924.51 = 16,274.33/x
  3. Step 3: Cross multiply
    28,207.15x = 38,924.51 × 16,274.33
  4. Step 4: Simplify right side
    28,207.15x = 633,470,320.83
  5. Step 5: Solve for x
    x = 633,470,320.83/28,207.15
  6. Step 6: Final answer
    x = 22,457.79

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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.