Home / 28,762.34-39,694.70-16,824.92

Finding the Fourth Proportional to 28,762.34, 39,694.70 and 16,824.92

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Solution

The fourth proportional to 28,762.34, 39,694.70 and 16,824.92 is: 23,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.34 : 39,694.70 = 16,824.92 : x
  2. Step 2: Convert to fraction form
    28,762.34/39,694.70 = 16,824.92/x
  3. Step 3: Cross multiply
    28,762.34x = 39,694.70 × 16,824.92
  4. Step 4: Simplify right side
    28,762.34x = 667,859,995.51
  5. Step 5: Solve for x
    x = 667,859,995.51/28,762.34
  6. Step 6: Final answer
    x = 23,219.95

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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.