Home / 22,785.04-34,156.68-7,985.89

Finding the Fourth Proportional to 22,785.04, 34,156.68 and 7,985.89

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Solution

The fourth proportional to 22,785.04, 34,156.68 and 7,985.89 is: 11,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.04 : 34,156.68 = 7,985.89 : x
  2. Step 2: Convert to fraction form
    22,785.04/34,156.68 = 7,985.89/x
  3. Step 3: Cross multiply
    22,785.04x = 34,156.68 × 7,985.89
  4. Step 4: Simplify right side
    22,785.04x = 272,771,489.25
  5. Step 5: Solve for x
    x = 272,771,489.25/22,785.04
  6. Step 6: Final answer
    x = 11,971.52

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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.