Home / 28,416.04-42,613.26-8,688.52

Finding the Fourth Proportional to 28,416.04, 42,613.26 and 8,688.52

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Solution

The fourth proportional to 28,416.04, 42,613.26 and 8,688.52 is: 13,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.04 : 42,613.26 = 8,688.52 : x
  2. Step 2: Convert to fraction form
    28,416.04/42,613.26 = 8,688.52/x
  3. Step 3: Cross multiply
    28,416.04x = 42,613.26 × 8,688.52
  4. Step 4: Simplify right side
    28,416.04x = 370,246,161.78
  5. Step 5: Solve for x
    x = 370,246,161.78/28,416.04
  6. Step 6: Final answer
    x = 13,029.48

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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.