Home / 28,741.17-39,663.08-15,994.89

Finding the Fourth Proportional to 28,741.17, 39,663.08 and 15,994.89

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Solution

The fourth proportional to 28,741.17, 39,663.08 and 15,994.89 is: 22,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.17 : 39,663.08 = 15,994.89 : x
  2. Step 2: Convert to fraction form
    28,741.17/39,663.08 = 15,994.89/x
  3. Step 3: Cross multiply
    28,741.17x = 39,663.08 × 15,994.89
  4. Step 4: Simplify right side
    28,741.17x = 634,406,521.69
  5. Step 5: Solve for x
    x = 634,406,521.69/28,741.17
  6. Step 6: Final answer
    x = 22,073.09

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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.