Home / 28,223.30-38,953.23-16,284.98

Finding the Fourth Proportional to 28,223.30, 38,953.23 and 16,284.98

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Solution

The fourth proportional to 28,223.30, 38,953.23 and 16,284.98 is: 22,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.30 : 38,953.23 = 16,284.98 : x
  2. Step 2: Convert to fraction form
    28,223.30/38,953.23 = 16,284.98/x
  3. Step 3: Cross multiply
    28,223.30x = 38,953.23 × 16,284.98
  4. Step 4: Simplify right side
    28,223.30x = 634,352,571.49
  5. Step 5: Solve for x
    x = 634,352,571.49/28,223.30
  6. Step 6: Final answer
    x = 22,476.20

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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.