Home / 28,050.10-38,709.17-16,115.77

Finding the Fourth Proportional to 28,050.10, 38,709.17 and 16,115.77

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Solution

The fourth proportional to 28,050.10, 38,709.17 and 16,115.77 is: 22,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.10 : 38,709.17 = 16,115.77 : x
  2. Step 2: Convert to fraction form
    28,050.10/38,709.17 = 16,115.77/x
  3. Step 3: Cross multiply
    28,050.10x = 38,709.17 × 16,115.77
  4. Step 4: Simplify right side
    28,050.10x = 623,828,080.61
  5. Step 5: Solve for x
    x = 623,828,080.61/28,050.10
  6. Step 6: Final answer
    x = 22,239.78

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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.