Home / 27,607.16-38,106.48-15,678.44

Finding the Fourth Proportional to 27,607.16, 38,106.48 and 15,678.44

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Solution

The fourth proportional to 27,607.16, 38,106.48 and 15,678.44 is: 21,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.16 : 38,106.48 = 15,678.44 : x
  2. Step 2: Convert to fraction form
    27,607.16/38,106.48 = 15,678.44/x
  3. Step 3: Cross multiply
    27,607.16x = 38,106.48 × 15,678.44
  4. Step 4: Simplify right side
    27,607.16x = 597,450,160.29
  5. Step 5: Solve for x
    x = 597,450,160.29/27,607.16
  6. Step 6: Final answer
    x = 21,641.13

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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.