Home / 28,186.84-38,898.39-16,248.16

Finding the Fourth Proportional to 28,186.84, 38,898.39 and 16,248.16

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Solution

The fourth proportional to 28,186.84, 38,898.39 and 16,248.16 is: 22,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.84 : 38,898.39 = 16,248.16 : x
  2. Step 2: Convert to fraction form
    28,186.84/38,898.39 = 16,248.16/x
  3. Step 3: Cross multiply
    28,186.84x = 38,898.39 × 16,248.16
  4. Step 4: Simplify right side
    28,186.84x = 632,027,264.46
  5. Step 5: Solve for x
    x = 632,027,264.46/28,186.84
  6. Step 6: Final answer
    x = 22,422.78

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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.