Home / 28,240.32-42,317.28-15,094.56

Finding the Fourth Proportional to 28,240.32, 42,317.28 and 15,094.56

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Solution

The fourth proportional to 28,240.32, 42,317.28 and 15,094.56 is: 22,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.32 : 42,317.28 = 15,094.56 : x
  2. Step 2: Convert to fraction form
    28,240.32/42,317.28 = 15,094.56/x
  3. Step 3: Cross multiply
    28,240.32x = 42,317.28 × 15,094.56
  4. Step 4: Simplify right side
    28,240.32x = 638,760,722.00
  5. Step 5: Solve for x
    x = 638,760,722.00/28,240.32
  6. Step 6: Final answer
    x = 22,618.75

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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.