Home / 28,302.19-39,057.20-17,698.03

Finding the Fourth Proportional to 28,302.19, 39,057.20 and 17,698.03

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Solution

The fourth proportional to 28,302.19, 39,057.20 and 17,698.03 is: 24,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.19 : 39,057.20 = 17,698.03 : x
  2. Step 2: Convert to fraction form
    28,302.19/39,057.20 = 17,698.03/x
  3. Step 3: Cross multiply
    28,302.19x = 39,057.20 × 17,698.03
  4. Step 4: Simplify right side
    28,302.19x = 691,235,497.32
  5. Step 5: Solve for x
    x = 691,235,497.32/28,302.19
  6. Step 6: Final answer
    x = 24,423.39

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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.