Home / 28,249.58-38,985.63-16,916.91

Finding the Fourth Proportional to 28,249.58, 38,985.63 and 16,916.91

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Solution

The fourth proportional to 28,249.58, 38,985.63 and 16,916.91 is: 23,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.58 : 38,985.63 = 16,916.91 : x
  2. Step 2: Convert to fraction form
    28,249.58/38,985.63 = 16,916.91/x
  3. Step 3: Cross multiply
    28,249.58x = 38,985.63 × 16,916.91
  4. Step 4: Simplify right side
    28,249.58x = 659,516,394.00
  5. Step 5: Solve for x
    x = 659,516,394.00/28,249.58
  6. Step 6: Final answer
    x = 23,346.06

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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.