Home / 28,586.94-42,883.32-9,864.54

Finding the Fourth Proportional to 28,586.94, 42,883.32 and 9,864.54

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Solution

The fourth proportional to 28,586.94, 42,883.32 and 9,864.54 is: 14,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.94 : 42,883.32 = 9,864.54 : x
  2. Step 2: Convert to fraction form
    28,586.94/42,883.32 = 9,864.54/x
  3. Step 3: Cross multiply
    28,586.94x = 42,883.32 × 9,864.54
  4. Step 4: Simplify right side
    28,586.94x = 423,024,225.47
  5. Step 5: Solve for x
    x = 423,024,225.47/28,586.94
  6. Step 6: Final answer
    x = 14,797.81

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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.