Home / 19,608.42-27,070.80-12,913.50

Finding the Fourth Proportional to 19,608.42, 27,070.80 and 12,913.50

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Solution

The fourth proportional to 19,608.42, 27,070.80 and 12,913.50 is: 17,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.42 : 27,070.80 = 12,913.50 : x
  2. Step 2: Convert to fraction form
    19,608.42/27,070.80 = 12,913.50/x
  3. Step 3: Cross multiply
    19,608.42x = 27,070.80 × 12,913.50
  4. Step 4: Simplify right side
    19,608.42x = 349,578,775.80
  5. Step 5: Solve for x
    x = 349,578,775.80/19,608.42
  6. Step 6: Final answer
    x = 17,827.99

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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.