Home / 28,267.49-42,402.13-14,219.84

Finding the Fourth Proportional to 28,267.49, 42,402.13 and 14,219.84

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Solution

The fourth proportional to 28,267.49, 42,402.13 and 14,219.84 is: 21,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.49 : 42,402.13 = 14,219.84 : x
  2. Step 2: Convert to fraction form
    28,267.49/42,402.13 = 14,219.84/x
  3. Step 3: Cross multiply
    28,267.49x = 42,402.13 × 14,219.84
  4. Step 4: Simplify right side
    28,267.49x = 602,951,256.70
  5. Step 5: Solve for x
    x = 602,951,256.70/28,267.49
  6. Step 6: Final answer
    x = 21,330.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.