Home / 28,064.45-38,719.01-17,998.33

Finding the Fourth Proportional to 28,064.45, 38,719.01 and 17,998.33

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Solution

The fourth proportional to 28,064.45, 38,719.01 and 17,998.33 is: 24,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.45 : 38,719.01 = 17,998.33 : x
  2. Step 2: Convert to fraction form
    28,064.45/38,719.01 = 17,998.33/x
  3. Step 3: Cross multiply
    28,064.45x = 38,719.01 × 17,998.33
  4. Step 4: Simplify right side
    28,064.45x = 696,877,431.15
  5. Step 5: Solve for x
    x = 696,877,431.15/28,064.45
  6. Step 6: Final answer
    x = 24,831.32

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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.