Home / 23,668.81-32,655.33-15,712.57

Finding the Fourth Proportional to 23,668.81, 32,655.33 and 15,712.57

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Solution

The fourth proportional to 23,668.81, 32,655.33 and 15,712.57 is: 21,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,668.81 : 32,655.33 = 15,712.57 : x
  2. Step 2: Convert to fraction form
    23,668.81/32,655.33 = 15,712.57/x
  3. Step 3: Cross multiply
    23,668.81x = 32,655.33 × 15,712.57
  4. Step 4: Simplify right side
    23,668.81x = 513,099,109.20
  5. Step 5: Solve for x
    x = 513,099,109.20/23,668.81
  6. Step 6: Final answer
    x = 21,678.28

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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.