Home / 28,671.77-42,991.85-15,360.37

Finding the Fourth Proportional to 28,671.77, 42,991.85 and 15,360.37

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Solution

The fourth proportional to 28,671.77, 42,991.85 and 15,360.37 is: 23,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.77 : 42,991.85 = 15,360.37 : x
  2. Step 2: Convert to fraction form
    28,671.77/42,991.85 = 15,360.37/x
  3. Step 3: Cross multiply
    28,671.77x = 42,991.85 × 15,360.37
  4. Step 4: Simplify right side
    28,671.77x = 660,370,653.91
  5. Step 5: Solve for x
    x = 660,370,653.91/28,671.77
  6. Step 6: Final answer
    x = 23,032.08

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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.