Home / 19,322.28-28,954.26-15,152.40

Finding the Fourth Proportional to 19,322.28, 28,954.26 and 15,152.40

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Solution

The fourth proportional to 19,322.28, 28,954.26 and 15,152.40 is: 22,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.28 : 28,954.26 = 15,152.40 : x
  2. Step 2: Convert to fraction form
    19,322.28/28,954.26 = 15,152.40/x
  3. Step 3: Cross multiply
    19,322.28x = 28,954.26 × 15,152.40
  4. Step 4: Simplify right side
    19,322.28x = 438,726,529.22
  5. Step 5: Solve for x
    x = 438,726,529.22/19,322.28
  6. Step 6: Final answer
    x = 22,705.73

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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.