Home / 28,384.51-42,561.94-10,600.53

Finding the Fourth Proportional to 28,384.51, 42,561.94 and 10,600.53

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Solution

The fourth proportional to 28,384.51, 42,561.94 and 10,600.53 is: 15,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.51 : 42,561.94 = 10,600.53 : x
  2. Step 2: Convert to fraction form
    28,384.51/42,561.94 = 10,600.53/x
  3. Step 3: Cross multiply
    28,384.51x = 42,561.94 × 10,600.53
  4. Step 4: Simplify right side
    28,384.51x = 451,179,121.83
  5. Step 5: Solve for x
    x = 451,179,121.83/28,384.51
  6. Step 6: Final answer
    x = 15,895.26

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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.