Home / 19,440.64-26,825.52-10,943.20

Finding the Fourth Proportional to 19,440.64, 26,825.52 and 10,943.20

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Solution

The fourth proportional to 19,440.64, 26,825.52 and 10,943.20 is: 15,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.64 : 26,825.52 = 10,943.20 : x
  2. Step 2: Convert to fraction form
    19,440.64/26,825.52 = 10,943.20/x
  3. Step 3: Cross multiply
    19,440.64x = 26,825.52 × 10,943.20
  4. Step 4: Simplify right side
    19,440.64x = 293,557,030.46
  5. Step 5: Solve for x
    x = 293,557,030.46/19,440.64
  6. Step 6: Final answer
    x = 15,100.17

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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.