Home / 19,925.04-29,877.48-8,835.12

Finding the Fourth Proportional to 19,925.04, 29,877.48 and 8,835.12

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Solution

The fourth proportional to 19,925.04, 29,877.48 and 8,835.12 is: 13,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.04 : 29,877.48 = 8,835.12 : x
  2. Step 2: Convert to fraction form
    19,925.04/29,877.48 = 8,835.12/x
  3. Step 3: Cross multiply
    19,925.04x = 29,877.48 × 8,835.12
  4. Step 4: Simplify right side
    19,925.04x = 263,971,121.10
  5. Step 5: Solve for x
    x = 263,971,121.10/19,925.04
  6. Step 6: Final answer
    x = 13,248.21

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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.