Home / 28,908.10-43,362.15-14,911.30

Finding the Fourth Proportional to 28,908.10, 43,362.15 and 14,911.30

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Solution

The fourth proportional to 28,908.10, 43,362.15 and 14,911.30 is: 22,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.10 : 43,362.15 = 14,911.30 : x
  2. Step 2: Convert to fraction form
    28,908.10/43,362.15 = 14,911.30/x
  3. Step 3: Cross multiply
    28,908.10x = 43,362.15 × 14,911.30
  4. Step 4: Simplify right side
    28,908.10x = 646,586,027.30
  5. Step 5: Solve for x
    x = 646,586,027.30/28,908.10
  6. Step 6: Final answer
    x = 22,366.95

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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.