Home / 27,113.27-37,415.18-15,783.05

Finding the Fourth Proportional to 27,113.27, 37,415.18 and 15,783.05

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Solution

The fourth proportional to 27,113.27, 37,415.18 and 15,783.05 is: 21,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.27 : 37,415.18 = 15,783.05 : x
  2. Step 2: Convert to fraction form
    27,113.27/37,415.18 = 15,783.05/x
  3. Step 3: Cross multiply
    27,113.27x = 37,415.18 × 15,783.05
  4. Step 4: Simplify right side
    27,113.27x = 590,525,789.69
  5. Step 5: Solve for x
    x = 590,525,789.69/27,113.27
  6. Step 6: Final answer
    x = 21,779.96

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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.