Home / 20,953.60-28,922.24-14,667.52

Finding the Fourth Proportional to 20,953.60, 28,922.24 and 14,667.52

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Solution

The fourth proportional to 20,953.60, 28,922.24 and 14,667.52 is: 20,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953.60 : 28,922.24 = 14,667.52 : x
  2. Step 2: Convert to fraction form
    20,953.60/28,922.24 = 14,667.52/x
  3. Step 3: Cross multiply
    20,953.60x = 28,922.24 × 14,667.52
  4. Step 4: Simplify right side
    20,953.60x = 424,217,533.64
  5. Step 5: Solve for x
    x = 424,217,533.64/20,953.60
  6. Step 6: Final answer
    x = 20,245.57

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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.