Home / 23,017.05-31,761.23-12,943.89

Finding the Fourth Proportional to 23,017.05, 31,761.23 and 12,943.89

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Solution

The fourth proportional to 23,017.05, 31,761.23 and 12,943.89 is: 17,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.05 : 31,761.23 = 12,943.89 : x
  2. Step 2: Convert to fraction form
    23,017.05/31,761.23 = 12,943.89/x
  3. Step 3: Cross multiply
    23,017.05x = 31,761.23 × 12,943.89
  4. Step 4: Simplify right side
    23,017.05x = 411,113,802.67
  5. Step 5: Solve for x
    x = 411,113,802.67/23,017.05
  6. Step 6: Final answer
    x = 17,861.27

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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.