Home / 19,669.79-27,170.29-14,575.67

Finding the Fourth Proportional to 19,669.79, 27,170.29 and 14,575.67

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Solution

The fourth proportional to 19,669.79, 27,170.29 and 14,575.67 is: 20,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.79 : 27,170.29 = 14,575.67 : x
  2. Step 2: Convert to fraction form
    19,669.79/27,170.29 = 14,575.67/x
  3. Step 3: Cross multiply
    19,669.79x = 27,170.29 × 14,575.67
  4. Step 4: Simplify right side
    19,669.79x = 396,025,159.53
  5. Step 5: Solve for x
    x = 396,025,159.53/19,669.79
  6. Step 6: Final answer
    x = 20,133.68

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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.