Home / 25,065.04-34,605.49-16,128.09

Finding the Fourth Proportional to 25,065.04, 34,605.49 and 16,128.09

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Solution

The fourth proportional to 25,065.04, 34,605.49 and 16,128.09 is: 22,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.04 : 34,605.49 = 16,128.09 : x
  2. Step 2: Convert to fraction form
    25,065.04/34,605.49 = 16,128.09/x
  3. Step 3: Cross multiply
    25,065.04x = 34,605.49 × 16,128.09
  4. Step 4: Simplify right side
    25,065.04x = 558,120,457.21
  5. Step 5: Solve for x
    x = 558,120,457.21/25,065.04
  6. Step 6: Final answer
    x = 22,266.89

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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.