Home / 28,262.60-42,400.56-8,541.32

Finding the Fourth Proportional to 28,262.60, 42,400.56 and 8,541.32

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Solution

The fourth proportional to 28,262.60, 42,400.56 and 8,541.32 is: 12,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.60 : 42,400.56 = 8,541.32 : x
  2. Step 2: Convert to fraction form
    28,262.60/42,400.56 = 8,541.32/x
  3. Step 3: Cross multiply
    28,262.60x = 42,400.56 × 8,541.32
  4. Step 4: Simplify right side
    28,262.60x = 362,156,751.14
  5. Step 5: Solve for x
    x = 362,156,751.14/28,262.60
  6. Step 6: Final answer
    x = 12,813.99

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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.