Home / 28,064.43-42,088.41-23,121.81

Finding the Fourth Proportional to 28,064.43, 42,088.41 and 23,121.81

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Solution

The fourth proportional to 28,064.43, 42,088.41 and 23,121.81 is: 34,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.43 : 42,088.41 = 23,121.81 : x
  2. Step 2: Convert to fraction form
    28,064.43/42,088.41 = 23,121.81/x
  3. Step 3: Cross multiply
    28,064.43x = 42,088.41 × 23,121.81
  4. Step 4: Simplify right side
    28,064.43x = 973,160,219.22
  5. Step 5: Solve for x
    x = 973,160,219.22/28,064.43
  6. Step 6: Final answer
    x = 34,675.93

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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.