Home / 22,088.21-30,471.86-14,915.84

Finding the Fourth Proportional to 22,088.21, 30,471.86 and 14,915.84

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Solution

The fourth proportional to 22,088.21, 30,471.86 and 14,915.84 is: 20,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.21 : 30,471.86 = 14,915.84 : x
  2. Step 2: Convert to fraction form
    22,088.21/30,471.86 = 14,915.84/x
  3. Step 3: Cross multiply
    22,088.21x = 30,471.86 × 14,915.84
  4. Step 4: Simplify right side
    22,088.21x = 454,513,161.32
  5. Step 5: Solve for x
    x = 454,513,161.32/22,088.21
  6. Step 6: Final answer
    x = 20,577.18

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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.