Home / 26,635.80-39,953.70-16,721.40

Finding the Fourth Proportional to 26,635.80, 39,953.70 and 16,721.40

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Solution

The fourth proportional to 26,635.80, 39,953.70 and 16,721.40 is: 25,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.80 : 39,953.70 = 16,721.40 : x
  2. Step 2: Convert to fraction form
    26,635.80/39,953.70 = 16,721.40/x
  3. Step 3: Cross multiply
    26,635.80x = 39,953.70 × 16,721.40
  4. Step 4: Simplify right side
    26,635.80x = 668,081,799.18
  5. Step 5: Solve for x
    x = 668,081,799.18/26,635.80
  6. Step 6: Final answer
    x = 25,082.10

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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.