Home / 22,462.80-31,002.20-14,828.55

Finding the Fourth Proportional to 22,462.80, 31,002.20 and 14,828.55

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Solution

The fourth proportional to 22,462.80, 31,002.20 and 14,828.55 is: 20,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.80 : 31,002.20 = 14,828.55 : x
  2. Step 2: Convert to fraction form
    22,462.80/31,002.20 = 14,828.55/x
  3. Step 3: Cross multiply
    22,462.80x = 31,002.20 × 14,828.55
  4. Step 4: Simplify right side
    22,462.80x = 459,717,598.67
  5. Step 5: Solve for x
    x = 459,717,598.67/22,462.80
  6. Step 6: Final answer
    x = 20,465.73

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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.