Home / 39,213.77-58,809.71-28,087.40

Finding the Fourth Proportional to 39,213.77, 58,809.71 and 28,087.40

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Solution

The fourth proportional to 39,213.77, 58,809.71 and 28,087.40 is: 42,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.77 : 58,809.71 = 28,087.40 : x
  2. Step 2: Convert to fraction form
    39,213.77/58,809.71 = 28,087.40/x
  3. Step 3: Cross multiply
    39,213.77x = 58,809.71 × 28,087.40
  4. Step 4: Simplify right side
    39,213.77x = 1,651,812,065.90
  5. Step 5: Solve for x
    x = 1,651,812,065.90/39,213.77
  6. Step 6: Final answer
    x = 42,123.27

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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.