Home / 28,898.59-43,349.39-9,178.69

Finding the Fourth Proportional to 28,898.59, 43,349.39 and 9,178.69

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Solution

The fourth proportional to 28,898.59, 43,349.39 and 9,178.69 is: 13,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.59 : 43,349.39 = 9,178.69 : x
  2. Step 2: Convert to fraction form
    28,898.59/43,349.39 = 9,178.69/x
  3. Step 3: Cross multiply
    28,898.59x = 43,349.39 × 9,178.69
  4. Step 4: Simplify right side
    28,898.59x = 397,890,612.50
  5. Step 5: Solve for x
    x = 397,890,612.50/28,898.59
  6. Step 6: Final answer
    x = 13,768.51

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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.