Home / 22,505.04-31,038.12-16,462.80

Finding the Fourth Proportional to 22,505.04, 31,038.12 and 16,462.80

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Solution

The fourth proportional to 22,505.04, 31,038.12 and 16,462.80 is: 22,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.04 : 31,038.12 = 16,462.80 : x
  2. Step 2: Convert to fraction form
    22,505.04/31,038.12 = 16,462.80/x
  3. Step 3: Cross multiply
    22,505.04x = 31,038.12 × 16,462.80
  4. Step 4: Simplify right side
    22,505.04x = 510,974,361.94
  5. Step 5: Solve for x
    x = 510,974,361.94/22,505.04
  6. Step 6: Final answer
    x = 22,704.89

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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.