Home / 28,392.24-39,181.32-16,457.88

Finding the Fourth Proportional to 28,392.24, 39,181.32 and 16,457.88

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Solution

The fourth proportional to 28,392.24, 39,181.32 and 16,457.88 is: 22,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.24 : 39,181.32 = 16,457.88 : x
  2. Step 2: Convert to fraction form
    28,392.24/39,181.32 = 16,457.88/x
  3. Step 3: Cross multiply
    28,392.24x = 39,181.32 × 16,457.88
  4. Step 4: Simplify right side
    28,392.24x = 644,841,462.80
  5. Step 5: Solve for x
    x = 644,841,462.80/28,392.24
  6. Step 6: Final answer
    x = 22,711.89

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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.