Home / 23,056.68-31,817.88-12,985.14

Finding the Fourth Proportional to 23,056.68, 31,817.88 and 12,985.14

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Solution

The fourth proportional to 23,056.68, 31,817.88 and 12,985.14 is: 17,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,056.68 : 31,817.88 = 12,985.14 : x
  2. Step 2: Convert to fraction form
    23,056.68/31,817.88 = 12,985.14/x
  3. Step 3: Cross multiply
    23,056.68x = 31,817.88 × 12,985.14
  4. Step 4: Simplify right side
    23,056.68x = 413,159,626.30
  5. Step 5: Solve for x
    x = 413,159,626.30/23,056.68
  6. Step 6: Final answer
    x = 17,919.30

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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.