Home / 26,220.77-39,365.45-15,566.57

Finding the Fourth Proportional to 26,220.77, 39,365.45 and 15,566.57

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Solution

The fourth proportional to 26,220.77, 39,365.45 and 15,566.57 is: 23,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.77 : 39,365.45 = 15,566.57 : x
  2. Step 2: Convert to fraction form
    26,220.77/39,365.45 = 15,566.57/x
  3. Step 3: Cross multiply
    26,220.77x = 39,365.45 × 15,566.57
  4. Step 4: Simplify right side
    26,220.77x = 612,785,111.96
  5. Step 5: Solve for x
    x = 612,785,111.96/26,220.77
  6. Step 6: Final answer
    x = 23,370.22

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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.