Home / 28,975.48-39,984.78-17,795.32

Finding the Fourth Proportional to 28,975.48, 39,984.78 and 17,795.32

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Solution

The fourth proportional to 28,975.48, 39,984.78 and 17,795.32 is: 24,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.48 : 39,984.78 = 17,795.32 : x
  2. Step 2: Convert to fraction form
    28,975.48/39,984.78 = 17,795.32/x
  3. Step 3: Cross multiply
    28,975.48x = 39,984.78 × 17,795.32
  4. Step 4: Simplify right side
    28,975.48x = 711,541,955.23
  5. Step 5: Solve for x
    x = 711,541,955.23/28,975.48
  6. Step 6: Final answer
    x = 24,556.69

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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.