Home / 35,728.22-49,307.73-19,815.78

Finding the Fourth Proportional to 35,728.22, 49,307.73 and 19,815.78

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Solution

The fourth proportional to 35,728.22, 49,307.73 and 19,815.78 is: 27,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.22 : 49,307.73 = 19,815.78 : x
  2. Step 2: Convert to fraction form
    35,728.22/49,307.73 = 19,815.78/x
  3. Step 3: Cross multiply
    35,728.22x = 49,307.73 × 19,815.78
  4. Step 4: Simplify right side
    35,728.22x = 977,071,129.98
  5. Step 5: Solve for x
    x = 977,071,129.98/35,728.22
  6. Step 6: Final answer
    x = 27,347.32

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Similar ratio
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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.