Home / 28,181.25-42,274.69-10,416.58

Finding the Fourth Proportional to 28,181.25, 42,274.69 and 10,416.58

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Solution

The fourth proportional to 28,181.25, 42,274.69 and 10,416.58 is: 15,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.25 : 42,274.69 = 10,416.58 : x
  2. Step 2: Convert to fraction form
    28,181.25/42,274.69 = 10,416.58/x
  3. Step 3: Cross multiply
    28,181.25x = 42,274.69 × 10,416.58
  4. Step 4: Simplify right side
    28,181.25x = 440,357,558.63
  5. Step 5: Solve for x
    x = 440,357,558.63/28,181.25
  6. Step 6: Final answer
    x = 15,625.91

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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.