Home / 19,584.88-29,319-18,885.04

Finding the Fourth Proportional to 19,584.88, 29,319 and 18,885.04

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Solution

The fourth proportional to 19,584.88, 29,319 and 18,885.04 is: 28,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.88 : 29,319 = 18,885.04 : x
  2. Step 2: Convert to fraction form
    19,584.88/29,319 = 18,885.04/x
  3. Step 3: Cross multiply
    19,584.88x = 29,319 × 18,885.04
  4. Step 4: Simplify right side
    19,584.88x = 553,690,487.76
  5. Step 5: Solve for x
    x = 553,690,487.76/19,584.88
  6. Step 6: Final answer
    x = 28,271.32

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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.