Home / 28,579.50-39,440.52-16,005.06

Finding the Fourth Proportional to 28,579.50, 39,440.52 and 16,005.06

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Solution

The fourth proportional to 28,579.50, 39,440.52 and 16,005.06 is: 22,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.50 : 39,440.52 = 16,005.06 : x
  2. Step 2: Convert to fraction form
    28,579.50/39,440.52 = 16,005.06/x
  3. Step 3: Cross multiply
    28,579.50x = 39,440.52 × 16,005.06
  4. Step 4: Simplify right side
    28,579.50x = 631,247,889.03
  5. Step 5: Solve for x
    x = 631,247,889.03/28,579.50
  6. Step 6: Final answer
    x = 22,087.44

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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.