Home / 28,637.46-42,930.27-10,165.14

Finding the Fourth Proportional to 28,637.46, 42,930.27 and 10,165.14

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Solution

The fourth proportional to 28,637.46, 42,930.27 and 10,165.14 is: 15,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.46 : 42,930.27 = 10,165.14 : x
  2. Step 2: Convert to fraction form
    28,637.46/42,930.27 = 10,165.14/x
  3. Step 3: Cross multiply
    28,637.46x = 42,930.27 × 10,165.14
  4. Step 4: Simplify right side
    28,637.46x = 436,392,204.79
  5. Step 5: Solve for x
    x = 436,392,204.79/28,637.46
  6. Step 6: Final answer
    x = 15,238.51

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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.