Home / 28,406.84-39,201.47-17,076.45

Finding the Fourth Proportional to 28,406.84, 39,201.47 and 17,076.45

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Solution

The fourth proportional to 28,406.84, 39,201.47 and 17,076.45 is: 23,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.84 : 39,201.47 = 17,076.45 : x
  2. Step 2: Convert to fraction form
    28,406.84/39,201.47 = 17,076.45/x
  3. Step 3: Cross multiply
    28,406.84x = 39,201.47 × 17,076.45
  4. Step 4: Simplify right side
    28,406.84x = 669,422,068.04
  5. Step 5: Solve for x
    x = 669,422,068.04/28,406.84
  6. Step 6: Final answer
    x = 23,565.53

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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.