Home / 28,189.84-38,892.48-16,252.90

Finding the Fourth Proportional to 28,189.84, 38,892.48 and 16,252.90

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Solution

The fourth proportional to 28,189.84, 38,892.48 and 16,252.90 is: 22,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.84 : 38,892.48 = 16,252.90 : x
  2. Step 2: Convert to fraction form
    28,189.84/38,892.48 = 16,252.90/x
  3. Step 3: Cross multiply
    28,189.84x = 38,892.48 × 16,252.90
  4. Step 4: Simplify right side
    28,189.84x = 632,115,588.19
  5. Step 5: Solve for x
    x = 632,115,588.19/28,189.84
  6. Step 6: Final answer
    x = 22,423.53

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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.