Home / 21,367.84-32,014.98-15,117.58

Finding the Fourth Proportional to 21,367.84, 32,014.98 and 15,117.58

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Solution

The fourth proportional to 21,367.84, 32,014.98 and 15,117.58 is: 22,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.84 : 32,014.98 = 15,117.58 : x
  2. Step 2: Convert to fraction form
    21,367.84/32,014.98 = 15,117.58/x
  3. Step 3: Cross multiply
    21,367.84x = 32,014.98 × 15,117.58
  4. Step 4: Simplify right side
    21,367.84x = 483,989,021.35
  5. Step 5: Solve for x
    x = 483,989,021.35/21,367.84
  6. Step 6: Final answer
    x = 22,650.35

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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.