Home / 19,041.35-28,567.86-8,520.23

Finding the Fourth Proportional to 19,041.35, 28,567.86 and 8,520.23

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Solution

The fourth proportional to 19,041.35, 28,567.86 and 8,520.23 is: 12,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.35 : 28,567.86 = 8,520.23 : x
  2. Step 2: Convert to fraction form
    19,041.35/28,567.86 = 8,520.23/x
  3. Step 3: Cross multiply
    19,041.35x = 28,567.86 × 8,520.23
  4. Step 4: Simplify right side
    19,041.35x = 243,404,594.97
  5. Step 5: Solve for x
    x = 243,404,594.97/19,041.35
  6. Step 6: Final answer
    x = 12,782.95

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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.