Home / 28,276.22-42,354.87-13,470.23

Finding the Fourth Proportional to 28,276.22, 42,354.87 and 13,470.23

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Solution

The fourth proportional to 28,276.22, 42,354.87 and 13,470.23 is: 20,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.22 : 42,354.87 = 13,470.23 : x
  2. Step 2: Convert to fraction form
    28,276.22/42,354.87 = 13,470.23/x
  3. Step 3: Cross multiply
    28,276.22x = 42,354.87 × 13,470.23
  4. Step 4: Simplify right side
    28,276.22x = 570,529,628.75
  5. Step 5: Solve for x
    x = 570,529,628.75/28,276.22
  6. Step 6: Final answer
    x = 20,177.02

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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.