Home / 39,215.78-58,834.65-15,858.62

Finding the Fourth Proportional to 39,215.78, 58,834.65 and 15,858.62

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Solution

The fourth proportional to 39,215.78, 58,834.65 and 15,858.62 is: 23,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.78 : 58,834.65 = 15,858.62 : x
  2. Step 2: Convert to fraction form
    39,215.78/58,834.65 = 15,858.62/x
  3. Step 3: Cross multiply
    39,215.78x = 58,834.65 × 15,858.62
  4. Step 4: Simplify right side
    39,215.78x = 933,036,357.18
  5. Step 5: Solve for x
    x = 933,036,357.18/39,215.78
  6. Step 6: Final answer
    x = 23,792.37

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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.