Home / 21,466.69-29,630.41-15,095.23

Finding the Fourth Proportional to 21,466.69, 29,630.41 and 15,095.23

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Solution

The fourth proportional to 21,466.69, 29,630.41 and 15,095.23 is: 20,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.69 : 29,630.41 = 15,095.23 : x
  2. Step 2: Convert to fraction form
    21,466.69/29,630.41 = 15,095.23/x
  3. Step 3: Cross multiply
    21,466.69x = 29,630.41 × 15,095.23
  4. Step 4: Simplify right side
    21,466.69x = 447,277,742.13
  5. Step 5: Solve for x
    x = 447,277,742.13/21,466.69
  6. Step 6: Final answer
    x = 20,835.90

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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.