Home / 28,741.05-39,654.90-16,807.32

Finding the Fourth Proportional to 28,741.05, 39,654.90 and 16,807.32

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Solution

The fourth proportional to 28,741.05, 39,654.90 and 16,807.32 is: 23,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.05 : 39,654.90 = 16,807.32 : x
  2. Step 2: Convert to fraction form
    28,741.05/39,654.90 = 16,807.32/x
  3. Step 3: Cross multiply
    28,741.05x = 39,654.90 × 16,807.32
  4. Step 4: Simplify right side
    28,741.05x = 666,492,593.87
  5. Step 5: Solve for x
    x = 666,492,593.87/28,741.05
  6. Step 6: Final answer
    x = 23,189.57

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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.