Home / 28,905.70-43,358.55-16,464.10

Finding the Fourth Proportional to 28,905.70, 43,358.55 and 16,464.10

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Solution

The fourth proportional to 28,905.70, 43,358.55 and 16,464.10 is: 24,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.70 : 43,358.55 = 16,464.10 : x
  2. Step 2: Convert to fraction form
    28,905.70/43,358.55 = 16,464.10/x
  3. Step 3: Cross multiply
    28,905.70x = 43,358.55 × 16,464.10
  4. Step 4: Simplify right side
    28,905.70x = 713,859,503.06
  5. Step 5: Solve for x
    x = 713,859,503.06/28,905.70
  6. Step 6: Final answer
    x = 24,696.15

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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.