Home / 28,266.04-42,403.52-8,542.12

Finding the Fourth Proportional to 28,266.04, 42,403.52 and 8,542.12

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Solution

The fourth proportional to 28,266.04, 42,403.52 and 8,542.12 is: 12,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.04 : 42,403.52 = 8,542.12 : x
  2. Step 2: Convert to fraction form
    28,266.04/42,403.52 = 8,542.12/x
  3. Step 3: Cross multiply
    28,266.04x = 42,403.52 × 8,542.12
  4. Step 4: Simplify right side
    28,266.04x = 362,215,956.26
  5. Step 5: Solve for x
    x = 362,215,956.26/28,266.04
  6. Step 6: Final answer
    x = 12,814.53

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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.