Home / 28,454.80-42,594.60-18,572.80

Finding the Fourth Proportional to 28,454.80, 42,594.60 and 18,572.80

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Solution

The fourth proportional to 28,454.80, 42,594.60 and 18,572.80 is: 27,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.80 : 42,594.60 = 18,572.80 : x
  2. Step 2: Convert to fraction form
    28,454.80/42,594.60 = 18,572.80/x
  3. Step 3: Cross multiply
    28,454.80x = 42,594.60 × 18,572.80
  4. Step 4: Simplify right side
    28,454.80x = 791,100,986.88
  5. Step 5: Solve for x
    x = 791,100,986.88/28,454.80
  6. Step 6: Final answer
    x = 27,802.02

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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.