Home / 28,835.48-39,792.98-16,260.23

Finding the Fourth Proportional to 28,835.48, 39,792.98 and 16,260.23

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Solution

The fourth proportional to 28,835.48, 39,792.98 and 16,260.23 is: 22,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.48 : 39,792.98 = 16,260.23 : x
  2. Step 2: Convert to fraction form
    28,835.48/39,792.98 = 16,260.23/x
  3. Step 3: Cross multiply
    28,835.48x = 39,792.98 × 16,260.23
  4. Step 4: Simplify right side
    28,835.48x = 647,043,147.32
  5. Step 5: Solve for x
    x = 647,043,147.32/28,835.48
  6. Step 6: Final answer
    x = 22,439.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.