Home / 21,972.96-32,904-14,555.04

Finding the Fourth Proportional to 21,972.96, 32,904 and 14,555.04

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Solution

The fourth proportional to 21,972.96, 32,904 and 14,555.04 is: 21,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.96 : 32,904 = 14,555.04 : x
  2. Step 2: Convert to fraction form
    21,972.96/32,904 = 14,555.04/x
  3. Step 3: Cross multiply
    21,972.96x = 32,904 × 14,555.04
  4. Step 4: Simplify right side
    21,972.96x = 478,919,036.16
  5. Step 5: Solve for x
    x = 478,919,036.16/21,972.96
  6. Step 6: Final answer
    x = 21,795.84

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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.