Home / 28,318.83-42,451.71-9,585.77

Finding the Fourth Proportional to 28,318.83, 42,451.71 and 9,585.77

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Solution

The fourth proportional to 28,318.83, 42,451.71 and 9,585.77 is: 14,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.83 : 42,451.71 = 9,585.77 : x
  2. Step 2: Convert to fraction form
    28,318.83/42,451.71 = 9,585.77/x
  3. Step 3: Cross multiply
    28,318.83x = 42,451.71 × 9,585.77
  4. Step 4: Simplify right side
    28,318.83x = 406,932,115.91
  5. Step 5: Solve for x
    x = 406,932,115.91/28,318.83
  6. Step 6: Final answer
    x = 14,369.67

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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.