Home / 20,667.24-28,472.58-14,368.68

Finding the Fourth Proportional to 20,667.24, 28,472.58 and 14,368.68

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Solution

The fourth proportional to 20,667.24, 28,472.58 and 14,368.68 is: 19,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.24 : 28,472.58 = 14,368.68 : x
  2. Step 2: Convert to fraction form
    20,667.24/28,472.58 = 14,368.68/x
  3. Step 3: Cross multiply
    20,667.24x = 28,472.58 × 14,368.68
  4. Step 4: Simplify right side
    20,667.24x = 409,113,390.79
  5. Step 5: Solve for x
    x = 409,113,390.79/20,667.24
  6. Step 6: Final answer
    x = 19,795.26

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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.