Home / 19,415.37-29,110.08-15,671.75

Finding the Fourth Proportional to 19,415.37, 29,110.08 and 15,671.75

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Solution

The fourth proportional to 19,415.37, 29,110.08 and 15,671.75 is: 23,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.37 : 29,110.08 = 15,671.75 : x
  2. Step 2: Convert to fraction form
    19,415.37/29,110.08 = 15,671.75/x
  3. Step 3: Cross multiply
    19,415.37x = 29,110.08 × 15,671.75
  4. Step 4: Simplify right side
    19,415.37x = 456,205,969.02
  5. Step 5: Solve for x
    x = 456,205,969.02/19,415.37
  6. Step 6: Final answer
    x = 23,497.16

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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.