Home / 28,967.84-39,966.30-16,219.14

Finding the Fourth Proportional to 28,967.84, 39,966.30 and 16,219.14

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Solution

The fourth proportional to 28,967.84, 39,966.30 and 16,219.14 is: 22,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.84 : 39,966.30 = 16,219.14 : x
  2. Step 2: Convert to fraction form
    28,967.84/39,966.30 = 16,219.14/x
  3. Step 3: Cross multiply
    28,967.84x = 39,966.30 × 16,219.14
  4. Step 4: Simplify right side
    28,967.84x = 648,219,014.98
  5. Step 5: Solve for x
    x = 648,219,014.98/28,967.84
  6. Step 6: Final answer
    x = 22,377.20

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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.