Home / 19,560.17-27,005.47-15,075.61

Finding the Fourth Proportional to 19,560.17, 27,005.47 and 15,075.61

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Solution

The fourth proportional to 19,560.17, 27,005.47 and 15,075.61 is: 20,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.17 : 27,005.47 = 15,075.61 : x
  2. Step 2: Convert to fraction form
    19,560.17/27,005.47 = 15,075.61/x
  3. Step 3: Cross multiply
    19,560.17x = 27,005.47 × 15,075.61
  4. Step 4: Simplify right side
    19,560.17x = 407,123,828.38
  5. Step 5: Solve for x
    x = 407,123,828.38/19,560.17
  6. Step 6: Final answer
    x = 20,813.92

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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.