Home / 28,340.24-42,451.80-16,618.16

Finding the Fourth Proportional to 28,340.24, 42,451.80 and 16,618.16

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Solution

The fourth proportional to 28,340.24, 42,451.80 and 16,618.16 is: 24,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.24 : 42,451.80 = 16,618.16 : x
  2. Step 2: Convert to fraction form
    28,340.24/42,451.80 = 16,618.16/x
  3. Step 3: Cross multiply
    28,340.24x = 42,451.80 × 16,618.16
  4. Step 4: Simplify right side
    28,340.24x = 705,470,804.69
  5. Step 5: Solve for x
    x = 705,470,804.69/28,340.24
  6. Step 6: Final answer
    x = 24,892.90

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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.