Home / 25,637.72-38,451.71-10,857.02

Finding the Fourth Proportional to 25,637.72, 38,451.71 and 10,857.02

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Solution

The fourth proportional to 25,637.72, 38,451.71 and 10,857.02 is: 16,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.72 : 38,451.71 = 10,857.02 : x
  2. Step 2: Convert to fraction form
    25,637.72/38,451.71 = 10,857.02/x
  3. Step 3: Cross multiply
    25,637.72x = 38,451.71 × 10,857.02
  4. Step 4: Simplify right side
    25,637.72x = 417,470,819.39
  5. Step 5: Solve for x
    x = 417,470,819.39/25,637.72
  6. Step 6: Final answer
    x = 16,283.46

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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.