Home / 28,064.76-38,730.24-16,130.52

Finding the Fourth Proportional to 28,064.76, 38,730.24 and 16,130.52

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Solution

The fourth proportional to 28,064.76, 38,730.24 and 16,130.52 is: 22,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.76 : 38,730.24 = 16,130.52 : x
  2. Step 2: Convert to fraction form
    28,064.76/38,730.24 = 16,130.52/x
  3. Step 3: Cross multiply
    28,064.76x = 38,730.24 × 16,130.52
  4. Step 4: Simplify right side
    28,064.76x = 624,738,910.92
  5. Step 5: Solve for x
    x = 624,738,910.92/28,064.76
  6. Step 6: Final answer
    x = 22,260.62

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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.