Home / 22,527.18-31,087.32-12,968.94

Finding the Fourth Proportional to 22,527.18, 31,087.32 and 12,968.94

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Solution

The fourth proportional to 22,527.18, 31,087.32 and 12,968.94 is: 17,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.18 : 31,087.32 = 12,968.94 : x
  2. Step 2: Convert to fraction form
    22,527.18/31,087.32 = 12,968.94/x
  3. Step 3: Cross multiply
    22,527.18x = 31,087.32 × 12,968.94
  4. Step 4: Simplify right side
    22,527.18x = 403,169,587.84
  5. Step 5: Solve for x
    x = 403,169,587.84/22,527.18
  6. Step 6: Final answer
    x = 17,897.03

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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.