Home / 28,338.21-42,448.98-16,623.18

Finding the Fourth Proportional to 28,338.21, 42,448.98 and 16,623.18

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Solution

The fourth proportional to 28,338.21, 42,448.98 and 16,623.18 is: 24,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.21 : 42,448.98 = 16,623.18 : x
  2. Step 2: Convert to fraction form
    28,338.21/42,448.98 = 16,623.18/x
  3. Step 3: Cross multiply
    28,338.21x = 42,448.98 × 16,623.18
  4. Step 4: Simplify right side
    28,338.21x = 705,637,035.36
  5. Step 5: Solve for x
    x = 705,637,035.36/28,338.21
  6. Step 6: Final answer
    x = 24,900.55

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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.