Home / 28,594.97-42,921.51-13,816.32

Finding the Fourth Proportional to 28,594.97, 42,921.51 and 13,816.32

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Solution

The fourth proportional to 28,594.97, 42,921.51 and 13,816.32 is: 20,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.97 : 42,921.51 = 13,816.32 : x
  2. Step 2: Convert to fraction form
    28,594.97/42,921.51 = 13,816.32/x
  3. Step 3: Cross multiply
    28,594.97x = 42,921.51 × 13,816.32
  4. Step 4: Simplify right side
    28,594.97x = 593,017,317.04
  5. Step 5: Solve for x
    x = 593,017,317.04/28,594.97
  6. Step 6: Final answer
    x = 20,738.52

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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.