Home / 22,768.90-31,400.60-14,271.88

Finding the Fourth Proportional to 22,768.90, 31,400.60 and 14,271.88

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Solution

The fourth proportional to 22,768.90, 31,400.60 and 14,271.88 is: 19,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.90 : 31,400.60 = 14,271.88 : x
  2. Step 2: Convert to fraction form
    22,768.90/31,400.60 = 14,271.88/x
  3. Step 3: Cross multiply
    22,768.90x = 31,400.60 × 14,271.88
  4. Step 4: Simplify right side
    22,768.90x = 448,145,595.13
  5. Step 5: Solve for x
    x = 448,145,595.13/22,768.90
  6. Step 6: Final answer
    x = 19,682.36

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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.