Home / 28,261.02-38,997.54-16,930.32

Finding the Fourth Proportional to 28,261.02, 38,997.54 and 16,930.32

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Solution

The fourth proportional to 28,261.02, 38,997.54 and 16,930.32 is: 23,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.02 : 38,997.54 = 16,930.32 : x
  2. Step 2: Convert to fraction form
    28,261.02/38,997.54 = 16,930.32/x
  3. Step 3: Cross multiply
    28,261.02x = 38,997.54 × 16,930.32
  4. Step 4: Simplify right side
    28,261.02x = 660,240,831.41
  5. Step 5: Solve for x
    x = 660,240,831.41/28,261.02
  6. Step 6: Final answer
    x = 23,362.24

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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.