Home / 21,604.86-32,521.94-15,407.76

Finding the Fourth Proportional to 21,604.86, 32,521.94 and 15,407.76

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Solution

The fourth proportional to 21,604.86, 32,521.94 and 15,407.76 is: 23,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.86 : 32,521.94 = 15,407.76 : x
  2. Step 2: Convert to fraction form
    21,604.86/32,521.94 = 15,407.76/x
  3. Step 3: Cross multiply
    21,604.86x = 32,521.94 × 15,407.76
  4. Step 4: Simplify right side
    21,604.86x = 501,090,246.25
  5. Step 5: Solve for x
    x = 501,090,246.25/21,604.86
  6. Step 6: Final answer
    x = 23,193.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.