Home / 28,318.71-42,484.25-8,598.81

Finding the Fourth Proportional to 28,318.71, 42,484.25 and 8,598.81

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Solution

The fourth proportional to 28,318.71, 42,484.25 and 8,598.81 is: 12,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.71 : 42,484.25 = 8,598.81 : x
  2. Step 2: Convert to fraction form
    28,318.71/42,484.25 = 8,598.81/x
  3. Step 3: Cross multiply
    28,318.71x = 42,484.25 × 8,598.81
  4. Step 4: Simplify right side
    28,318.71x = 365,313,993.74
  5. Step 5: Solve for x
    x = 365,313,993.74/28,318.71
  6. Step 6: Final answer
    x = 12,900.09

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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.