Home / 28,059.67-38,708.98-16,722.64

Finding the Fourth Proportional to 28,059.67, 38,708.98 and 16,722.64

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Solution

The fourth proportional to 28,059.67, 38,708.98 and 16,722.64 is: 23,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.67 : 38,708.98 = 16,722.64 : x
  2. Step 2: Convert to fraction form
    28,059.67/38,708.98 = 16,722.64/x
  3. Step 3: Cross multiply
    28,059.67x = 38,708.98 × 16,722.64
  4. Step 4: Simplify right side
    28,059.67x = 647,316,337.31
  5. Step 5: Solve for x
    x = 647,316,337.31/28,059.67
  6. Step 6: Final answer
    x = 23,069.28

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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.