Home / 25,655.05-38,486.63-10,864.06

Finding the Fourth Proportional to 25,655.05, 38,486.63 and 10,864.06

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Solution

The fourth proportional to 25,655.05, 38,486.63 and 10,864.06 is: 16,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.05 : 38,486.63 = 10,864.06 : x
  2. Step 2: Convert to fraction form
    25,655.05/38,486.63 = 10,864.06/x
  3. Step 3: Cross multiply
    25,655.05x = 38,486.63 × 10,864.06
  4. Step 4: Simplify right side
    25,655.05x = 418,121,057.52
  5. Step 5: Solve for x
    x = 418,121,057.52/25,655.05
  6. Step 6: Final answer
    x = 16,297.81

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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.