Home / 27,903.04-38,508.08-15,327.92

Finding the Fourth Proportional to 27,903.04, 38,508.08 and 15,327.92

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Solution

The fourth proportional to 27,903.04, 38,508.08 and 15,327.92 is: 21,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.04 : 38,508.08 = 15,327.92 : x
  2. Step 2: Convert to fraction form
    27,903.04/38,508.08 = 15,327.92/x
  3. Step 3: Cross multiply
    27,903.04x = 38,508.08 × 15,327.92
  4. Step 4: Simplify right side
    27,903.04x = 590,248,769.59
  5. Step 5: Solve for x
    x = 590,248,769.59/27,903.04
  6. Step 6: Final answer
    x = 21,153.56

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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.