Home / 28,389.68-42,613.58-23,443.56

Finding the Fourth Proportional to 28,389.68, 42,613.58 and 23,443.56

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Solution

The fourth proportional to 28,389.68, 42,613.58 and 23,443.56 is: 35,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.68 : 42,613.58 = 23,443.56 : x
  2. Step 2: Convert to fraction form
    28,389.68/42,613.58 = 23,443.56/x
  3. Step 3: Cross multiply
    28,389.68x = 42,613.58 × 23,443.56
  4. Step 4: Simplify right side
    28,389.68x = 999,014,019.54
  5. Step 5: Solve for x
    x = 999,014,019.54/28,389.68
  6. Step 6: Final answer
    x = 35,189.34

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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.