Home / 28,680.34-39,579.33-16,104.82

Finding the Fourth Proportional to 28,680.34, 39,579.33 and 16,104.82

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Solution

The fourth proportional to 28,680.34, 39,579.33 and 16,104.82 is: 22,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.34 : 39,579.33 = 16,104.82 : x
  2. Step 2: Convert to fraction form
    28,680.34/39,579.33 = 16,104.82/x
  3. Step 3: Cross multiply
    28,680.34x = 39,579.33 × 16,104.82
  4. Step 4: Simplify right side
    28,680.34x = 637,417,985.37
  5. Step 5: Solve for x
    x = 637,417,985.37/28,680.34
  6. Step 6: Final answer
    x = 22,224.91

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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.