Home / 66,428.74-99,666.87-28,462.06

Finding the Fourth Proportional to 66,428.74, 99,666.87 and 28,462.06

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Solution

The fourth proportional to 66,428.74, 99,666.87 and 28,462.06 is: 42,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.74 : 99,666.87 = 28,462.06 : x
  2. Step 2: Convert to fraction form
    66,428.74/99,666.87 = 28,462.06/x
  3. Step 3: Cross multiply
    66,428.74x = 99,666.87 × 28,462.06
  4. Step 4: Simplify right side
    66,428.74x = 2,836,724,433.95
  5. Step 5: Solve for x
    x = 2,836,724,433.95/66,428.74
  6. Step 6: Final answer
    x = 42,703.27

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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.