Home / 28,390.68-42,615.09-23,444.55

Finding the Fourth Proportional to 28,390.68, 42,615.09 and 23,444.55

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Solution

The fourth proportional to 28,390.68, 42,615.09 and 23,444.55 is: 35,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390.68 : 42,615.09 = 23,444.55 : x
  2. Step 2: Convert to fraction form
    28,390.68/42,615.09 = 23,444.55/x
  3. Step 3: Cross multiply
    28,390.68x = 42,615.09 × 23,444.55
  4. Step 4: Simplify right side
    28,390.68x = 999,091,608.26
  5. Step 5: Solve for x
    x = 999,091,608.26/28,390.68
  6. Step 6: Final answer
    x = 35,190.83

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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.