Home / 28,648.32-42,987.60-15,498.24

Finding the Fourth Proportional to 28,648.32, 42,987.60 and 15,498.24

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Solution

The fourth proportional to 28,648.32, 42,987.60 and 15,498.24 is: 23,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.32 : 42,987.60 = 15,498.24 : x
  2. Step 2: Convert to fraction form
    28,648.32/42,987.60 = 15,498.24/x
  3. Step 3: Cross multiply
    28,648.32x = 42,987.60 × 15,498.24
  4. Step 4: Simplify right side
    28,648.32x = 666,232,141.82
  5. Step 5: Solve for x
    x = 666,232,141.82/28,648.32
  6. Step 6: Final answer
    x = 23,255.54

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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.