Home / 28,824.57-39,777.62-18,222.93

Finding the Fourth Proportional to 28,824.57, 39,777.62 and 18,222.93

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Solution

The fourth proportional to 28,824.57, 39,777.62 and 18,222.93 is: 25,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.57 : 39,777.62 = 18,222.93 : x
  2. Step 2: Convert to fraction form
    28,824.57/39,777.62 = 18,222.93/x
  3. Step 3: Cross multiply
    28,824.57x = 39,777.62 × 18,222.93
  4. Step 4: Simplify right side
    28,824.57x = 724,864,693.71
  5. Step 5: Solve for x
    x = 724,864,693.71/28,824.57
  6. Step 6: Final answer
    x = 25,147.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.