Home / 28,185.48-42,250.52-15,693.92

Finding the Fourth Proportional to 28,185.48, 42,250.52 and 15,693.92

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Solution

The fourth proportional to 28,185.48, 42,250.52 and 15,693.92 is: 23,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.48 : 42,250.52 = 15,693.92 : x
  2. Step 2: Convert to fraction form
    28,185.48/42,250.52 = 15,693.92/x
  3. Step 3: Cross multiply
    28,185.48x = 42,250.52 × 15,693.92
  4. Step 4: Simplify right side
    28,185.48x = 663,076,280.84
  5. Step 5: Solve for x
    x = 663,076,280.84/28,185.48
  6. Step 6: Final answer
    x = 23,525.46

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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.