Home / 38,903.04-53,667.84-28,288

Finding the Fourth Proportional to 38,903.04, 53,667.84 and 28,288

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Solution

The fourth proportional to 38,903.04, 53,667.84 and 28,288 is: 39,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.04 : 53,667.84 = 28,288 : x
  2. Step 2: Convert to fraction form
    38,903.04/53,667.84 = 28,288/x
  3. Step 3: Cross multiply
    38,903.04x = 53,667.84 × 28,288
  4. Step 4: Simplify right side
    38,903.04x = 1,518,155,857.92
  5. Step 5: Solve for x
    x = 1,518,155,857.92/38,903.04
  6. Step 6: Final answer
    x = 39,024.09

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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.