Home / 38,338.34-52,908.10-20,876.82

Finding the Fourth Proportional to 38,338.34, 52,908.10 and 20,876.82

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Solution

The fourth proportional to 38,338.34, 52,908.10 and 20,876.82 is: 28,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.34 : 52,908.10 = 20,876.82 : x
  2. Step 2: Convert to fraction form
    38,338.34/52,908.10 = 20,876.82/x
  3. Step 3: Cross multiply
    38,338.34x = 52,908.10 × 20,876.82
  4. Step 4: Simplify right side
    38,338.34x = 1,104,552,880.24
  5. Step 5: Solve for x
    x = 1,104,552,880.24/38,338.34
  6. Step 6: Final answer
    x = 28,810.66

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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.