Home / 19,928.88-27,495.63-11,313.63

Finding the Fourth Proportional to 19,928.88, 27,495.63 and 11,313.63

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Solution

The fourth proportional to 19,928.88, 27,495.63 and 11,313.63 is: 15,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.88 : 27,495.63 = 11,313.63 : x
  2. Step 2: Convert to fraction form
    19,928.88/27,495.63 = 11,313.63/x
  3. Step 3: Cross multiply
    19,928.88x = 27,495.63 × 11,313.63
  4. Step 4: Simplify right side
    19,928.88x = 311,075,384.44
  5. Step 5: Solve for x
    x = 311,075,384.44/19,928.88
  6. Step 6: Final answer
    x = 15,609.28

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1.5x scale

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.