Home / 28,265.28-39,007.44-16,330.20

Finding the Fourth Proportional to 28,265.28, 39,007.44 and 16,330.20

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Solution

The fourth proportional to 28,265.28, 39,007.44 and 16,330.20 is: 22,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.28 : 39,007.44 = 16,330.20 : x
  2. Step 2: Convert to fraction form
    28,265.28/39,007.44 = 16,330.20/x
  3. Step 3: Cross multiply
    28,265.28x = 39,007.44 × 16,330.20
  4. Step 4: Simplify right side
    28,265.28x = 636,999,296.69
  5. Step 5: Solve for x
    x = 636,999,296.69/28,265.28
  6. Step 6: Final answer
    x = 22,536.46

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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.