Home / 28,975.56-39,984.48-16,052.28

Finding the Fourth Proportional to 28,975.56, 39,984.48 and 16,052.28

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Solution

The fourth proportional to 28,975.56, 39,984.48 and 16,052.28 is: 22,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.56 : 39,984.48 = 16,052.28 : x
  2. Step 2: Convert to fraction form
    28,975.56/39,984.48 = 16,052.28/x
  3. Step 3: Cross multiply
    28,975.56x = 39,984.48 × 16,052.28
  4. Step 4: Simplify right side
    28,975.56x = 641,842,068.61
  5. Step 5: Solve for x
    x = 641,842,068.61/28,975.56
  6. Step 6: Final answer
    x = 22,151.15

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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.