Home / 26,328.16-36,328.80-15,148

Finding the Fourth Proportional to 26,328.16, 36,328.80 and 15,148

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Solution

The fourth proportional to 26,328.16, 36,328.80 and 15,148 is: 20,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.16 : 36,328.80 = 15,148 : x
  2. Step 2: Convert to fraction form
    26,328.16/36,328.80 = 15,148/x
  3. Step 3: Cross multiply
    26,328.16x = 36,328.80 × 15,148
  4. Step 4: Simplify right side
    26,328.16x = 550,308,662.40
  5. Step 5: Solve for x
    x = 550,308,662.40/26,328.16
  6. Step 6: Final answer
    x = 20,901.90

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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.