Home / 35,349.20-53,007.60-15,617.60

Finding the Fourth Proportional to 35,349.20, 53,007.60 and 15,617.60

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Solution

The fourth proportional to 35,349.20, 53,007.60 and 15,617.60 is: 23,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.20 : 53,007.60 = 15,617.60 : x
  2. Step 2: Convert to fraction form
    35,349.20/53,007.60 = 15,617.60/x
  3. Step 3: Cross multiply
    35,349.20x = 53,007.60 × 15,617.60
  4. Step 4: Simplify right side
    35,349.20x = 827,851,493.76
  5. Step 5: Solve for x
    x = 827,851,493.76/35,349.20
  6. Step 6: Final answer
    x = 23,419.24

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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.