Home / 28,888.09-39,864.83-16,141.34

Finding the Fourth Proportional to 28,888.09, 39,864.83 and 16,141.34

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Solution

The fourth proportional to 28,888.09, 39,864.83 and 16,141.34 is: 22,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.09 : 39,864.83 = 16,141.34 : x
  2. Step 2: Convert to fraction form
    28,888.09/39,864.83 = 16,141.34/x
  3. Step 3: Cross multiply
    28,888.09x = 39,864.83 × 16,141.34
  4. Step 4: Simplify right side
    28,888.09x = 643,471,794.03
  5. Step 5: Solve for x
    x = 643,471,794.03/28,888.09
  6. Step 6: Final answer
    x = 22,274.64

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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.