Home / 19,560.60-27,005.67-15,075.36

Finding the Fourth Proportional to 19,560.60, 27,005.67 and 15,075.36

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Solution

The fourth proportional to 19,560.60, 27,005.67 and 15,075.36 is: 20,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.60 : 27,005.67 = 15,075.36 : x
  2. Step 2: Convert to fraction form
    19,560.60/27,005.67 = 15,075.36/x
  3. Step 3: Cross multiply
    19,560.60x = 27,005.67 × 15,075.36
  4. Step 4: Simplify right side
    19,560.60x = 407,120,197.29
  5. Step 5: Solve for x
    x = 407,120,197.29/19,560.60
  6. Step 6: Final answer
    x = 20,813.28

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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.