Home / 42,603.84-63,865.44-17,628.30

Finding the Fourth Proportional to 42,603.84, 63,865.44 and 17,628.30

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Solution

The fourth proportional to 42,603.84, 63,865.44 and 17,628.30 is: 26,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.84 : 63,865.44 = 17,628.30 : x
  2. Step 2: Convert to fraction form
    42,603.84/63,865.44 = 17,628.30/x
  3. Step 3: Cross multiply
    42,603.84x = 63,865.44 × 17,628.30
  4. Step 4: Simplify right side
    42,603.84x = 1,125,839,135.95
  5. Step 5: Solve for x
    x = 1,125,839,135.95/42,603.84
  6. Step 6: Final answer
    x = 26,425.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.