Home / 28,261.17-38,998.67-16,322.58

Finding the Fourth Proportional to 28,261.17, 38,998.67 and 16,322.58

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Solution

The fourth proportional to 28,261.17, 38,998.67 and 16,322.58 is: 22,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.17 : 38,998.67 = 16,322.58 : x
  2. Step 2: Convert to fraction form
    28,261.17/38,998.67 = 16,322.58/x
  3. Step 3: Cross multiply
    28,261.17x = 38,998.67 × 16,322.58
  4. Step 4: Simplify right side
    28,261.17x = 636,558,829.36
  5. Step 5: Solve for x
    x = 636,558,829.36/28,261.17
  6. Step 6: Final answer
    x = 22,524.15

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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.