Home / 84,695.90-127,023.19-28,521.38

Finding the Fourth Proportional to 84,695.90, 127,023.19 and 28,521.38

Calculator

Solution

The fourth proportional to 84,695.90, 127,023.19 and 28,521.38 is: 42,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.90 : 127,023.19 = 28,521.38 : x
  2. Step 2: Convert to fraction form
    84,695.90/127,023.19 = 28,521.38/x
  3. Step 3: Cross multiply
    84,695.90x = 127,023.19 × 28,521.38
  4. Step 4: Simplify right side
    84,695.90x = 3,622,876,917.06
  5. Step 5: Solve for x
    x = 3,622,876,917.06/84,695.90
  6. Step 6: Final answer
    x = 42,775.12

Related Problems

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.