Home / 20,235.16-30,390.54-16,545.16

Finding the Fourth Proportional to 20,235.16, 30,390.54 and 16,545.16

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Solution

The fourth proportional to 20,235.16, 30,390.54 and 16,545.16 is: 24,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.16 : 30,390.54 = 16,545.16 : x
  2. Step 2: Convert to fraction form
    20,235.16/30,390.54 = 16,545.16/x
  3. Step 3: Cross multiply
    20,235.16x = 30,390.54 × 16,545.16
  4. Step 4: Simplify right side
    20,235.16x = 502,816,346.79
  5. Step 5: Solve for x
    x = 502,816,346.79/20,235.16
  6. Step 6: Final answer
    x = 24,848.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.