Home / 28,072.32-42,086.40-14,025.09

Finding the Fourth Proportional to 28,072.32, 42,086.40 and 14,025.09

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Solution

The fourth proportional to 28,072.32, 42,086.40 and 14,025.09 is: 21,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.32 : 42,086.40 = 14,025.09 : x
  2. Step 2: Convert to fraction form
    28,072.32/42,086.40 = 14,025.09/x
  3. Step 3: Cross multiply
    28,072.32x = 42,086.40 × 14,025.09
  4. Step 4: Simplify right side
    28,072.32x = 590,265,547.78
  5. Step 5: Solve for x
    x = 590,265,547.78/28,072.32
  6. Step 6: Final answer
    x = 21,026.60

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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.