Home / 54,128.32-81,075.84-26,368

Finding the Fourth Proportional to 54,128.32, 81,075.84 and 26,368

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Solution

The fourth proportional to 54,128.32, 81,075.84 and 26,368 is: 39,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.32 : 81,075.84 = 26,368 : x
  2. Step 2: Convert to fraction form
    54,128.32/81,075.84 = 26,368/x
  3. Step 3: Cross multiply
    54,128.32x = 81,075.84 × 26,368
  4. Step 4: Simplify right side
    54,128.32x = 2,137,807,749.12
  5. Step 5: Solve for x
    x = 2,137,807,749.12/54,128.32
  6. Step 6: Final answer
    x = 39,495.18

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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.