Home / 20,088.90-30,133.35-16,832.70

Finding the Fourth Proportional to 20,088.90, 30,133.35 and 16,832.70

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Solution

The fourth proportional to 20,088.90, 30,133.35 and 16,832.70 is: 25,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.90 : 30,133.35 = 16,832.70 : x
  2. Step 2: Convert to fraction form
    20,088.90/30,133.35 = 16,832.70/x
  3. Step 3: Cross multiply
    20,088.90x = 30,133.35 × 16,832.70
  4. Step 4: Simplify right side
    20,088.90x = 507,225,640.55
  5. Step 5: Solve for x
    x = 507,225,640.55/20,088.90
  6. Step 6: Final answer
    x = 25,249.05

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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.