Home / 28,864.79-39,833.03-16,118.19

Finding the Fourth Proportional to 28,864.79, 39,833.03 and 16,118.19

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Solution

The fourth proportional to 28,864.79, 39,833.03 and 16,118.19 is: 22,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.79 : 39,833.03 = 16,118.19 : x
  2. Step 2: Convert to fraction form
    28,864.79/39,833.03 = 16,118.19/x
  3. Step 3: Cross multiply
    28,864.79x = 39,833.03 × 16,118.19
  4. Step 4: Simplify right side
    28,864.79x = 642,036,265.22
  5. Step 5: Solve for x
    x = 642,036,265.22/28,864.79
  6. Step 6: Final answer
    x = 22,242.89

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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.