Home / 28,002.90-41,989.77-13,207.85

Finding the Fourth Proportional to 28,002.90, 41,989.77 and 13,207.85

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Solution

The fourth proportional to 28,002.90, 41,989.77 and 13,207.85 is: 19,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.90 : 41,989.77 = 13,207.85 : x
  2. Step 2: Convert to fraction form
    28,002.90/41,989.77 = 13,207.85/x
  3. Step 3: Cross multiply
    28,002.90x = 41,989.77 × 13,207.85
  4. Step 4: Simplify right side
    28,002.90x = 554,594,307.71
  5. Step 5: Solve for x
    x = 554,594,307.71/28,002.90
  6. Step 6: Final answer
    x = 19,804.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.