Home / 27,995.12-41,968.40-10,465.12

Finding the Fourth Proportional to 27,995.12, 41,968.40 and 10,465.12

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Solution

The fourth proportional to 27,995.12, 41,968.40 and 10,465.12 is: 15,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.12 : 41,968.40 = 10,465.12 : x
  2. Step 2: Convert to fraction form
    27,995.12/41,968.40 = 10,465.12/x
  3. Step 3: Cross multiply
    27,995.12x = 41,968.40 × 10,465.12
  4. Step 4: Simplify right side
    27,995.12x = 439,204,342.21
  5. Step 5: Solve for x
    x = 439,204,342.21/27,995.12
  6. Step 6: Final answer
    x = 15,688.60

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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.