Home / 28,580.40-39,442.20-16,004.88

Finding the Fourth Proportional to 28,580.40, 39,442.20 and 16,004.88

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Solution

The fourth proportional to 28,580.40, 39,442.20 and 16,004.88 is: 22,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.40 : 39,442.20 = 16,004.88 : x
  2. Step 2: Convert to fraction form
    28,580.40/39,442.20 = 16,004.88/x
  3. Step 3: Cross multiply
    28,580.40x = 39,442.20 × 16,004.88
  4. Step 4: Simplify right side
    28,580.40x = 631,267,677.94
  5. Step 5: Solve for x
    x = 631,267,677.94/28,580.40
  6. Step 6: Final answer
    x = 22,087.43

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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.