Home / 28,469.34-39,292.86-16,985.01

Finding the Fourth Proportional to 28,469.34, 39,292.86 and 16,985.01

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Solution

The fourth proportional to 28,469.34, 39,292.86 and 16,985.01 is: 23,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.34 : 39,292.86 = 16,985.01 : x
  2. Step 2: Convert to fraction form
    28,469.34/39,292.86 = 16,985.01/x
  3. Step 3: Cross multiply
    28,469.34x = 39,292.86 × 16,985.01
  4. Step 4: Simplify right side
    28,469.34x = 667,389,620.03
  5. Step 5: Solve for x
    x = 667,389,620.03/28,469.34
  6. Step 6: Final answer
    x = 23,442.40

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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.