Home / 47,428.80-65,445.75-26,208.15

Finding the Fourth Proportional to 47,428.80, 65,445.75 and 26,208.15

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Solution

The fourth proportional to 47,428.80, 65,445.75 and 26,208.15 is: 36,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.80 : 65,445.75 = 26,208.15 : x
  2. Step 2: Convert to fraction form
    47,428.80/65,445.75 = 26,208.15/x
  3. Step 3: Cross multiply
    47,428.80x = 65,445.75 × 26,208.15
  4. Step 4: Simplify right side
    47,428.80x = 1,715,212,032.86
  5. Step 5: Solve for x
    x = 1,715,212,032.86/47,428.80
  6. Step 6: Final answer
    x = 36,163.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.