Home / 19,585.09-27,009.06-15,101.74

Finding the Fourth Proportional to 19,585.09, 27,009.06 and 15,101.74

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Solution

The fourth proportional to 19,585.09, 27,009.06 and 15,101.74 is: 20,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.09 : 27,009.06 = 15,101.74 : x
  2. Step 2: Convert to fraction form
    19,585.09/27,009.06 = 15,101.74/x
  3. Step 3: Cross multiply
    19,585.09x = 27,009.06 × 15,101.74
  4. Step 4: Simplify right side
    19,585.09x = 407,883,666.72
  5. Step 5: Solve for x
    x = 407,883,666.72/19,585.09
  6. Step 6: Final answer
    x = 20,826.24

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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.