Home / 19,439.66-26,839.64-14,955.50

Finding the Fourth Proportional to 19,439.66, 26,839.64 and 14,955.50

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Solution

The fourth proportional to 19,439.66, 26,839.64 and 14,955.50 is: 20,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.66 : 26,839.64 = 14,955.50 : x
  2. Step 2: Convert to fraction form
    19,439.66/26,839.64 = 14,955.50/x
  3. Step 3: Cross multiply
    19,439.66x = 26,839.64 × 14,955.50
  4. Step 4: Simplify right side
    19,439.66x = 401,400,236.02
  5. Step 5: Solve for x
    x = 401,400,236.02/19,439.66
  6. Step 6: Final answer
    x = 20,648.52

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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.