Home / 28,322.28-42,483.49-8,600.99

Finding the Fourth Proportional to 28,322.28, 42,483.49 and 8,600.99

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Solution

The fourth proportional to 28,322.28, 42,483.49 and 8,600.99 is: 12,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.28 : 42,483.49 = 8,600.99 : x
  2. Step 2: Convert to fraction form
    28,322.28/42,483.49 = 8,600.99/x
  3. Step 3: Cross multiply
    28,322.28x = 42,483.49 × 8,600.99
  4. Step 4: Simplify right side
    28,322.28x = 365,399,838.74
  5. Step 5: Solve for x
    x = 365,399,838.74/28,322.28
  6. Step 6: Final answer
    x = 12,901.50

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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.