Home / 19,323.67-26,720.37-15,337.87

Finding the Fourth Proportional to 19,323.67, 26,720.37 and 15,337.87

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Solution

The fourth proportional to 19,323.67, 26,720.37 and 15,337.87 is: 21,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.67 : 26,720.37 = 15,337.87 : x
  2. Step 2: Convert to fraction form
    19,323.67/26,720.37 = 15,337.87/x
  3. Step 3: Cross multiply
    19,323.67x = 26,720.37 × 15,337.87
  4. Step 4: Simplify right side
    19,323.67x = 409,833,351.12
  5. Step 5: Solve for x
    x = 409,833,351.12/19,323.67
  6. Step 6: Final answer
    x = 21,208.88

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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.