Home / 27,698.48-38,220.40-15,762.03

Finding the Fourth Proportional to 27,698.48, 38,220.40 and 15,762.03

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Solution

The fourth proportional to 27,698.48, 38,220.40 and 15,762.03 is: 21,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.48 : 38,220.40 = 15,762.03 : x
  2. Step 2: Convert to fraction form
    27,698.48/38,220.40 = 15,762.03/x
  3. Step 3: Cross multiply
    27,698.48x = 38,220.40 × 15,762.03
  4. Step 4: Simplify right side
    27,698.48x = 602,431,091.41
  5. Step 5: Solve for x
    x = 602,431,091.41/27,698.48
  6. Step 6: Final answer
    x = 21,749.61

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Half scale
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Double scale
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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.