Home / 26,851.05-37,053.86-15,520.37

Finding the Fourth Proportional to 26,851.05, 37,053.86 and 15,520.37

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Solution

The fourth proportional to 26,851.05, 37,053.86 and 15,520.37 is: 21,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.05 : 37,053.86 = 15,520.37 : x
  2. Step 2: Convert to fraction form
    26,851.05/37,053.86 = 15,520.37/x
  3. Step 3: Cross multiply
    26,851.05x = 37,053.86 × 15,520.37
  4. Step 4: Simplify right side
    26,851.05x = 575,089,354.26
  5. Step 5: Solve for x
    x = 575,089,354.26/26,851.05
  6. Step 6: Final answer
    x = 21,417.76

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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.