Home / 27,009.05-37,271.75-15,677.89

Finding the Fourth Proportional to 27,009.05, 37,271.75 and 15,677.89

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Solution

The fourth proportional to 27,009.05, 37,271.75 and 15,677.89 is: 21,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.05 : 37,271.75 = 15,677.89 : x
  2. Step 2: Convert to fraction form
    27,009.05/37,271.75 = 15,677.89/x
  3. Step 3: Cross multiply
    27,009.05x = 37,271.75 × 15,677.89
  4. Step 4: Simplify right side
    27,009.05x = 584,342,225.04
  5. Step 5: Solve for x
    x = 584,342,225.04/27,009.05
  6. Step 6: Final answer
    x = 21,635.06

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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.