Home / 28,670.14-39,564.21-16,094.89

Finding the Fourth Proportional to 28,670.14, 39,564.21 and 16,094.89

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Solution

The fourth proportional to 28,670.14, 39,564.21 and 16,094.89 is: 22,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.14 : 39,564.21 = 16,094.89 : x
  2. Step 2: Convert to fraction form
    28,670.14/39,564.21 = 16,094.89/x
  3. Step 3: Cross multiply
    28,670.14x = 39,564.21 × 16,094.89
  4. Step 4: Simplify right side
    28,670.14x = 636,781,607.89
  5. Step 5: Solve for x
    x = 636,781,607.89/28,670.14
  6. Step 6: Final answer
    x = 22,210.62

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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.