Home / 28,883.08-39,855.76-16,305.40

Finding the Fourth Proportional to 28,883.08, 39,855.76 and 16,305.40

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Solution

The fourth proportional to 28,883.08, 39,855.76 and 16,305.40 is: 22,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.08 : 39,855.76 = 16,305.40 : x
  2. Step 2: Convert to fraction form
    28,883.08/39,855.76 = 16,305.40/x
  3. Step 3: Cross multiply
    28,883.08x = 39,855.76 × 16,305.40
  4. Step 4: Simplify right side
    28,883.08x = 649,864,109.10
  5. Step 5: Solve for x
    x = 649,864,109.10/28,883.08
  6. Step 6: Final answer
    x = 22,499.82

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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.