Home / 17,989.32-26,980.95-4,838.77

Finding the Fourth Proportional to 17,989.32, 26,980.95 and 4,838.77

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Solution

The fourth proportional to 17,989.32, 26,980.95 and 4,838.77 is: 7,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.32 : 26,980.95 = 4,838.77 : x
  2. Step 2: Convert to fraction form
    17,989.32/26,980.95 = 4,838.77/x
  3. Step 3: Cross multiply
    17,989.32x = 26,980.95 × 4,838.77
  4. Step 4: Simplify right side
    17,989.32x = 130,554,636.08
  5. Step 5: Solve for x
    x = 130,554,636.08/17,989.32
  6. Step 6: Final answer
    x = 7,257.34

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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.