Home / 23,070.42-31,835.97-12,998.88

Finding the Fourth Proportional to 23,070.42, 31,835.97 and 12,998.88

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Solution

The fourth proportional to 23,070.42, 31,835.97 and 12,998.88 is: 17,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.42 : 31,835.97 = 12,998.88 : x
  2. Step 2: Convert to fraction form
    23,070.42/31,835.97 = 12,998.88/x
  3. Step 3: Cross multiply
    23,070.42x = 31,835.97 × 12,998.88
  4. Step 4: Simplify right side
    23,070.42x = 413,831,953.71
  5. Step 5: Solve for x
    x = 413,831,953.71/23,070.42
  6. Step 6: Final answer
    x = 17,937.77

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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.