Home / 19,440.10-26,840.25-14,955.94

Finding the Fourth Proportional to 19,440.10, 26,840.25 and 14,955.94

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Solution

The fourth proportional to 19,440.10, 26,840.25 and 14,955.94 is: 20,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.10 : 26,840.25 = 14,955.94 : x
  2. Step 2: Convert to fraction form
    19,440.10/26,840.25 = 14,955.94/x
  3. Step 3: Cross multiply
    19,440.10x = 26,840.25 × 14,955.94
  4. Step 4: Simplify right side
    19,440.10x = 401,420,959.60
  5. Step 5: Solve for x
    x = 401,420,959.60/19,440.10
  6. Step 6: Final answer
    x = 20,649.13

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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.