Home / 26,557.76-36,645.44-15,225.20

Finding the Fourth Proportional to 26,557.76, 36,645.44 and 15,225.20

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Solution

The fourth proportional to 26,557.76, 36,645.44 and 15,225.20 is: 21,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.76 : 36,645.44 = 15,225.20 : x
  2. Step 2: Convert to fraction form
    26,557.76/36,645.44 = 15,225.20/x
  3. Step 3: Cross multiply
    26,557.76x = 36,645.44 × 15,225.20
  4. Step 4: Simplify right side
    26,557.76x = 557,934,153.09
  5. Step 5: Solve for x
    x = 557,934,153.09/26,557.76
  6. Step 6: Final answer
    x = 21,008.33

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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.