Home / 21,238.76-31,864.78-16,574.68

Finding the Fourth Proportional to 21,238.76, 31,864.78 and 16,574.68

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Solution

The fourth proportional to 21,238.76, 31,864.78 and 16,574.68 is: 24,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,238.76 : 31,864.78 = 16,574.68 : x
  2. Step 2: Convert to fraction form
    21,238.76/31,864.78 = 16,574.68/x
  3. Step 3: Cross multiply
    21,238.76x = 31,864.78 × 16,574.68
  4. Step 4: Simplify right side
    21,238.76x = 528,148,531.77
  5. Step 5: Solve for x
    x = 528,148,531.77/21,238.76
  6. Step 6: Final answer
    x = 24,867.20

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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.