Home / 30,828.84-42,541.38-17,403.36

Finding the Fourth Proportional to 30,828.84, 42,541.38 and 17,403.36

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Solution

The fourth proportional to 30,828.84, 42,541.38 and 17,403.36 is: 24,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828.84 : 42,541.38 = 17,403.36 : x
  2. Step 2: Convert to fraction form
    30,828.84/42,541.38 = 17,403.36/x
  3. Step 3: Cross multiply
    30,828.84x = 42,541.38 × 17,403.36
  4. Step 4: Simplify right side
    30,828.84x = 740,362,951.04
  5. Step 5: Solve for x
    x = 740,362,951.04/30,828.84
  6. Step 6: Final answer
    x = 24,015.27

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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.