Home / 28,623.44-42,947.40-14,782.16

Finding the Fourth Proportional to 28,623.44, 42,947.40 and 14,782.16

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Solution

The fourth proportional to 28,623.44, 42,947.40 and 14,782.16 is: 22,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.44 : 42,947.40 = 14,782.16 : x
  2. Step 2: Convert to fraction form
    28,623.44/42,947.40 = 14,782.16/x
  3. Step 3: Cross multiply
    28,623.44x = 42,947.40 × 14,782.16
  4. Step 4: Simplify right side
    28,623.44x = 634,855,338.38
  5. Step 5: Solve for x
    x = 634,855,338.38/28,623.44
  6. Step 6: Final answer
    x = 22,179.56

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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.