Home / 21,411.84-29,520.01-17,569.41

Finding the Fourth Proportional to 21,411.84, 29,520.01 and 17,569.41

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Solution

The fourth proportional to 21,411.84, 29,520.01 and 17,569.41 is: 24,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.84 : 29,520.01 = 17,569.41 : x
  2. Step 2: Convert to fraction form
    21,411.84/29,520.01 = 17,569.41/x
  3. Step 3: Cross multiply
    21,411.84x = 29,520.01 × 17,569.41
  4. Step 4: Simplify right side
    21,411.84x = 518,649,070.16
  5. Step 5: Solve for x
    x = 518,649,070.16/21,411.84
  6. Step 6: Final answer
    x = 24,222.53

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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.