Home / 28,888.48-43,344.24-10,421.92

Finding the Fourth Proportional to 28,888.48, 43,344.24 and 10,421.92

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Solution

The fourth proportional to 28,888.48, 43,344.24 and 10,421.92 is: 15,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.48 : 43,344.24 = 10,421.92 : x
  2. Step 2: Convert to fraction form
    28,888.48/43,344.24 = 10,421.92/x
  3. Step 3: Cross multiply
    28,888.48x = 43,344.24 × 10,421.92
  4. Step 4: Simplify right side
    28,888.48x = 451,730,201.74
  5. Step 5: Solve for x
    x = 451,730,201.74/28,888.48
  6. Step 6: Final answer
    x = 15,637.04

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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.