Home / 28,301.80-39,057.30-16,364.08

Finding the Fourth Proportional to 28,301.80, 39,057.30 and 16,364.08

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Solution

The fourth proportional to 28,301.80, 39,057.30 and 16,364.08 is: 22,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.80 : 39,057.30 = 16,364.08 : x
  2. Step 2: Convert to fraction form
    28,301.80/39,057.30 = 16,364.08/x
  3. Step 3: Cross multiply
    28,301.80x = 39,057.30 × 16,364.08
  4. Step 4: Simplify right side
    28,301.80x = 639,136,781.78
  5. Step 5: Solve for x
    x = 639,136,781.78/28,301.80
  6. Step 6: Final answer
    x = 22,582.90

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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.