Home / 19,742.00-27,242.48-10,787.60

Finding the Fourth Proportional to 19,742.00, 27,242.48 and 10,787.60

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Solution

The fourth proportional to 19,742.00, 27,242.48 and 10,787.60 is: 14,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.00 : 27,242.48 = 10,787.60 : x
  2. Step 2: Convert to fraction form
    19,742.00/27,242.48 = 10,787.60/x
  3. Step 3: Cross multiply
    19,742.00x = 27,242.48 × 10,787.60
  4. Step 4: Simplify right side
    19,742.00x = 293,880,787.10
  5. Step 5: Solve for x
    x = 293,880,787.10/19,742.00
  6. Step 6: Final answer
    x = 14,886.07

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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.