Home / 21,064.10-31,604.27-15,066.95

Finding the Fourth Proportional to 21,064.10, 31,604.27 and 15,066.95

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Solution

The fourth proportional to 21,064.10, 31,604.27 and 15,066.95 is: 22,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.10 : 31,604.27 = 15,066.95 : x
  2. Step 2: Convert to fraction form
    21,064.10/31,604.27 = 15,066.95/x
  3. Step 3: Cross multiply
    21,064.10x = 31,604.27 × 15,066.95
  4. Step 4: Simplify right side
    21,064.10x = 476,179,722.52
  5. Step 5: Solve for x
    x = 476,179,722.52/21,064.10
  6. Step 6: Final answer
    x = 22,606.23

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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.