Home / 28,017,041.92-38,669,529.84-17,697,201.28

Finding the Fourth Proportional to 28,017,041.92, 38,669,529.84 and 17,697,201.28

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Solution

The fourth proportional to 28,017,041.92, 38,669,529.84 and 17,697,201.28 is: 24,425,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017,041.92 : 38,669,529.84 = 17,697,201.28 : x
  2. Step 2: Convert to fraction form
    28,017,041.92/38,669,529.84 = 17,697,201.28/x
  3. Step 3: Cross multiply
    28,017,041.92x = 38,669,529.84 × 17,697,201.28
  4. Step 4: Simplify right side
    28,017,041.92x = 684,342,452,981,446.25
  5. Step 5: Solve for x
    x = 684,342,452,981,446.25/28,017,041.92
  6. Step 6: Final answer
    x = 24,425,935.29

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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.