Home / 28,954.38-43,417.70-14,145.96

Finding the Fourth Proportional to 28,954.38, 43,417.70 and 14,145.96

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Solution

The fourth proportional to 28,954.38, 43,417.70 and 14,145.96 is: 21,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.38 : 43,417.70 = 14,145.96 : x
  2. Step 2: Convert to fraction form
    28,954.38/43,417.70 = 14,145.96/x
  3. Step 3: Cross multiply
    28,954.38x = 43,417.70 × 14,145.96
  4. Step 4: Simplify right side
    28,954.38x = 614,185,047.49
  5. Step 5: Solve for x
    x = 614,185,047.49/28,954.38
  6. Step 6: Final answer
    x = 21,212.16

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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.