Home / 27,835.35-38,412.80-15,088.65

Finding the Fourth Proportional to 27,835.35, 38,412.80 and 15,088.65

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Solution

The fourth proportional to 27,835.35, 38,412.80 and 15,088.65 is: 20,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.35 : 38,412.80 = 15,088.65 : x
  2. Step 2: Convert to fraction form
    27,835.35/38,412.80 = 15,088.65/x
  3. Step 3: Cross multiply
    27,835.35x = 38,412.80 × 15,088.65
  4. Step 4: Simplify right side
    27,835.35x = 579,597,294.72
  5. Step 5: Solve for x
    x = 579,597,294.72/27,835.35
  6. Step 6: Final answer
    x = 20,822.35

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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.