Home / 19,642.41-27,115.80-12,572.93

Finding the Fourth Proportional to 19,642.41, 27,115.80 and 12,572.93

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Solution

The fourth proportional to 19,642.41, 27,115.80 and 12,572.93 is: 17,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.41 : 27,115.80 = 12,572.93 : x
  2. Step 2: Convert to fraction form
    19,642.41/27,115.80 = 12,572.93/x
  3. Step 3: Cross multiply
    19,642.41x = 27,115.80 × 12,572.93
  4. Step 4: Simplify right side
    19,642.41x = 340,925,075.94
  5. Step 5: Solve for x
    x = 340,925,075.94/19,642.41
  6. Step 6: Final answer
    x = 17,356.58

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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.