Home / 28,947.08-43,426.94-12,307.56

Finding the Fourth Proportional to 28,947.08, 43,426.94 and 12,307.56

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Solution

The fourth proportional to 28,947.08, 43,426.94 and 12,307.56 is: 18,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.08 : 43,426.94 = 12,307.56 : x
  2. Step 2: Convert to fraction form
    28,947.08/43,426.94 = 12,307.56/x
  3. Step 3: Cross multiply
    28,947.08x = 43,426.94 × 12,307.56
  4. Step 4: Simplify right side
    28,947.08x = 534,479,669.67
  5. Step 5: Solve for x
    x = 534,479,669.67/28,947.08
  6. Step 6: Final answer
    x = 18,464.03

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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.