Home / 35,630.20-53,402.10-15,887.80

Finding the Fourth Proportional to 35,630.20, 53,402.10 and 15,887.80

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Solution

The fourth proportional to 35,630.20, 53,402.10 and 15,887.80 is: 23,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,630.20 : 53,402.10 = 15,887.80 : x
  2. Step 2: Convert to fraction form
    35,630.20/53,402.10 = 15,887.80/x
  3. Step 3: Cross multiply
    35,630.20x = 53,402.10 × 15,887.80
  4. Step 4: Simplify right side
    35,630.20x = 848,441,884.38
  5. Step 5: Solve for x
    x = 848,441,884.38/35,630.20
  6. Step 6: Final answer
    x = 23,812.44

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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.