Home / 23,276.39-32,128.01-13,721.81

Finding the Fourth Proportional to 23,276.39, 32,128.01 and 13,721.81

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Solution

The fourth proportional to 23,276.39, 32,128.01 and 13,721.81 is: 18,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.39 : 32,128.01 = 13,721.81 : x
  2. Step 2: Convert to fraction form
    23,276.39/32,128.01 = 13,721.81/x
  3. Step 3: Cross multiply
    23,276.39x = 32,128.01 × 13,721.81
  4. Step 4: Simplify right side
    23,276.39x = 440,854,219.65
  5. Step 5: Solve for x
    x = 440,854,219.65/23,276.39
  6. Step 6: Final answer
    x = 18,939.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.