Home / 28,374.06-39,153.32-16,441.24

Finding the Fourth Proportional to 28,374.06, 39,153.32 and 16,441.24

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Solution

The fourth proportional to 28,374.06, 39,153.32 and 16,441.24 is: 22,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.06 : 39,153.32 = 16,441.24 : x
  2. Step 2: Convert to fraction form
    28,374.06/39,153.32 = 16,441.24/x
  3. Step 3: Cross multiply
    28,374.06x = 39,153.32 × 16,441.24
  4. Step 4: Simplify right side
    28,374.06x = 643,729,130.92
  5. Step 5: Solve for x
    x = 643,729,130.92/28,374.06
  6. Step 6: Final answer
    x = 22,687.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.