Home / 23,056.38-31,818.87-12,988.02

Finding the Fourth Proportional to 23,056.38, 31,818.87 and 12,988.02

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Solution

The fourth proportional to 23,056.38, 31,818.87 and 12,988.02 is: 17,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,056.38 : 31,818.87 = 12,988.02 : x
  2. Step 2: Convert to fraction form
    23,056.38/31,818.87 = 12,988.02/x
  3. Step 3: Cross multiply
    23,056.38x = 31,818.87 × 12,988.02
  4. Step 4: Simplify right side
    23,056.38x = 413,264,119.94
  5. Step 5: Solve for x
    x = 413,264,119.94/23,056.38
  6. Step 6: Final answer
    x = 17,924.07

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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.