Home / 28,026,424.05-42,019,459.62-17,221,400.20

Finding the Fourth Proportional to 28,026,424.05, 42,019,459.62 and 17,221,400.20

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Solution

The fourth proportional to 28,026,424.05, 42,019,459.62 and 17,221,400.20 is: 25,819,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,424.05 : 42,019,459.62 = 17,221,400.20 : x
  2. Step 2: Convert to fraction form
    28,026,424.05/42,019,459.62 = 17,221,400.20/x
  3. Step 3: Cross multiply
    28,026,424.05x = 42,019,459.62 × 17,221,400.20
  4. Step 4: Simplify right side
    28,026,424.05x = 723,633,930,303,759.88
  5. Step 5: Solve for x
    x = 723,633,930,303,759.88/28,026,424.05
  6. Step 6: Final answer
    x = 25,819,702.47

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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.