Home / 28,265.48-38,998.50-18,847.88

Finding the Fourth Proportional to 28,265.48, 38,998.50 and 18,847.88

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Solution

The fourth proportional to 28,265.48, 38,998.50 and 18,847.88 is: 26,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.48 : 38,998.50 = 18,847.88 : x
  2. Step 2: Convert to fraction form
    28,265.48/38,998.50 = 18,847.88/x
  3. Step 3: Cross multiply
    28,265.48x = 38,998.50 × 18,847.88
  4. Step 4: Simplify right side
    28,265.48x = 735,039,048.18
  5. Step 5: Solve for x
    x = 735,039,048.18/28,265.48
  6. Step 6: Final answer
    x = 26,004.83

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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.