Home / 30,875.46-42,607.96-16,728.36

Finding the Fourth Proportional to 30,875.46, 42,607.96 and 16,728.36

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Solution

The fourth proportional to 30,875.46, 42,607.96 and 16,728.36 is: 23,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.46 : 42,607.96 = 16,728.36 : x
  2. Step 2: Convert to fraction form
    30,875.46/42,607.96 = 16,728.36/x
  3. Step 3: Cross multiply
    30,875.46x = 42,607.96 × 16,728.36
  4. Step 4: Simplify right side
    30,875.46x = 712,761,293.75
  5. Step 5: Solve for x
    x = 712,761,293.75/30,875.46
  6. Step 6: Final answer
    x = 23,085.04

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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.