Home / 28,598.32-42,906.62-8,880.76

Finding the Fourth Proportional to 28,598.32, 42,906.62 and 8,880.76

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Solution

The fourth proportional to 28,598.32, 42,906.62 and 8,880.76 is: 13,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.32 : 42,906.62 = 8,880.76 : x
  2. Step 2: Convert to fraction form
    28,598.32/42,906.62 = 8,880.76/x
  3. Step 3: Cross multiply
    28,598.32x = 42,906.62 × 8,880.76
  4. Step 4: Simplify right side
    28,598.32x = 381,043,394.63
  5. Step 5: Solve for x
    x = 381,043,394.63/28,598.32
  6. Step 6: Final answer
    x = 13,323.98

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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.