Home / 35,635.68-53,459.64-15,913.80

Finding the Fourth Proportional to 35,635.68, 53,459.64 and 15,913.80

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Solution

The fourth proportional to 35,635.68, 53,459.64 and 15,913.80 is: 23,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.68 : 53,459.64 = 15,913.80 : x
  2. Step 2: Convert to fraction form
    35,635.68/53,459.64 = 15,913.80/x
  3. Step 3: Cross multiply
    35,635.68x = 53,459.64 × 15,913.80
  4. Step 4: Simplify right side
    35,635.68x = 850,746,019.03
  5. Step 5: Solve for x
    x = 850,746,019.03/35,635.68
  6. Step 6: Final answer
    x = 23,873.43

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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.