Home / 28,069.20-42,047.10-17,506.80

Finding the Fourth Proportional to 28,069.20, 42,047.10 and 17,506.80

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Solution

The fourth proportional to 28,069.20, 42,047.10 and 17,506.80 is: 26,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.20 : 42,047.10 = 17,506.80 : x
  2. Step 2: Convert to fraction form
    28,069.20/42,047.10 = 17,506.80/x
  3. Step 3: Cross multiply
    28,069.20x = 42,047.10 × 17,506.80
  4. Step 4: Simplify right side
    28,069.20x = 736,110,170.28
  5. Step 5: Solve for x
    x = 736,110,170.28/28,069.20
  6. Step 6: Final answer
    x = 26,224.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.