Home / 28,051.60-38,710.74-15,476.44

Finding the Fourth Proportional to 28,051.60, 38,710.74 and 15,476.44

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Solution

The fourth proportional to 28,051.60, 38,710.74 and 15,476.44 is: 21,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.60 : 38,710.74 = 15,476.44 : x
  2. Step 2: Convert to fraction form
    28,051.60/38,710.74 = 15,476.44/x
  3. Step 3: Cross multiply
    28,051.60x = 38,710.74 × 15,476.44
  4. Step 4: Simplify right side
    28,051.60x = 599,104,444.97
  5. Step 5: Solve for x
    x = 599,104,444.97/28,051.60
  6. Step 6: Final answer
    x = 21,357.23

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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.