Home / 28,973.96-39,984.78-16,227.04

Finding the Fourth Proportional to 28,973.96, 39,984.78 and 16,227.04

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Solution

The fourth proportional to 28,973.96, 39,984.78 and 16,227.04 is: 22,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.96 : 39,984.78 = 16,227.04 : x
  2. Step 2: Convert to fraction form
    28,973.96/39,984.78 = 16,227.04/x
  3. Step 3: Cross multiply
    28,973.96x = 39,984.78 × 16,227.04
  4. Step 4: Simplify right side
    28,973.96x = 648,834,624.45
  5. Step 5: Solve for x
    x = 648,834,624.45/28,973.96
  6. Step 6: Final answer
    x = 22,393.72

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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.