Home / 28,145.48-38,848.44-17,528.84

Finding the Fourth Proportional to 28,145.48, 38,848.44 and 17,528.84

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Solution

The fourth proportional to 28,145.48, 38,848.44 and 17,528.84 is: 24,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.48 : 38,848.44 = 17,528.84 : x
  2. Step 2: Convert to fraction form
    28,145.48/38,848.44 = 17,528.84/x
  3. Step 3: Cross multiply
    28,145.48x = 38,848.44 × 17,528.84
  4. Step 4: Simplify right side
    28,145.48x = 680,968,089.01
  5. Step 5: Solve for x
    x = 680,968,089.01/28,145.48
  6. Step 6: Final answer
    x = 24,194.58

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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.