Home / 28,056.24-38,714.04-15,480.18

Finding the Fourth Proportional to 28,056.24, 38,714.04 and 15,480.18

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Solution

The fourth proportional to 28,056.24, 38,714.04 and 15,480.18 is: 21,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.24 : 38,714.04 = 15,480.18 : x
  2. Step 2: Convert to fraction form
    28,056.24/38,714.04 = 15,480.18/x
  3. Step 3: Cross multiply
    28,056.24x = 38,714.04 × 15,480.18
  4. Step 4: Simplify right side
    28,056.24x = 599,300,307.73
  5. Step 5: Solve for x
    x = 599,300,307.73/28,056.24
  6. Step 6: Final answer
    x = 21,360.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.