Home / 28,438.74-42,599.70-22,861.98

Finding the Fourth Proportional to 28,438.74, 42,599.70 and 22,861.98

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Solution

The fourth proportional to 28,438.74, 42,599.70 and 22,861.98 is: 34,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.74 : 42,599.70 = 22,861.98 : x
  2. Step 2: Convert to fraction form
    28,438.74/42,599.70 = 22,861.98/x
  3. Step 3: Cross multiply
    28,438.74x = 42,599.70 × 22,861.98
  4. Step 4: Simplify right side
    28,438.74x = 973,913,489.41
  5. Step 5: Solve for x
    x = 973,913,489.41/28,438.74
  6. Step 6: Final answer
    x = 34,246.01

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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.