Home / 19,089.60-28,643.96-8,567.15

Finding the Fourth Proportional to 19,089.60, 28,643.96 and 8,567.15

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Solution

The fourth proportional to 19,089.60, 28,643.96 and 8,567.15 is: 12,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.60 : 28,643.96 = 8,567.15 : x
  2. Step 2: Convert to fraction form
    19,089.60/28,643.96 = 8,567.15/x
  3. Step 3: Cross multiply
    19,089.60x = 28,643.96 × 8,567.15
  4. Step 4: Simplify right side
    19,089.60x = 245,396,915.86
  5. Step 5: Solve for x
    x = 245,396,915.86/19,089.60
  6. Step 6: Final answer
    x = 12,855.01

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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.