Home / 28,270.15-39,009.91-16,337.34

Finding the Fourth Proportional to 28,270.15, 39,009.91 and 16,337.34

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Solution

The fourth proportional to 28,270.15, 39,009.91 and 16,337.34 is: 22,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.15 : 39,009.91 = 16,337.34 : x
  2. Step 2: Convert to fraction form
    28,270.15/39,009.91 = 16,337.34/x
  3. Step 3: Cross multiply
    28,270.15x = 39,009.91 × 16,337.34
  4. Step 4: Simplify right side
    28,270.15x = 637,318,163.04
  5. Step 5: Solve for x
    x = 637,318,163.04/28,270.15
  6. Step 6: Final answer
    x = 22,543.86

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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.