Home / 28,506.85-39,329.82-18,448.00

Finding the Fourth Proportional to 28,506.85, 39,329.82 and 18,448.00

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Solution

The fourth proportional to 28,506.85, 39,329.82 and 18,448.00 is: 25,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.85 : 39,329.82 = 18,448.00 : x
  2. Step 2: Convert to fraction form
    28,506.85/39,329.82 = 18,448.00/x
  3. Step 3: Cross multiply
    28,506.85x = 39,329.82 × 18,448.00
  4. Step 4: Simplify right side
    28,506.85x = 725,556,421.04
  5. Step 5: Solve for x
    x = 725,556,421.04/28,506.85
  6. Step 6: Final answer
    x = 25,452.00

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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.