Home / 25,810.43-38,693.67-11,765.49

Finding the Fourth Proportional to 25,810.43, 38,693.67 and 11,765.49

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Solution

The fourth proportional to 25,810.43, 38,693.67 and 11,765.49 is: 17,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.43 : 38,693.67 = 11,765.49 : x
  2. Step 2: Convert to fraction form
    25,810.43/38,693.67 = 11,765.49/x
  3. Step 3: Cross multiply
    25,810.43x = 38,693.67 × 11,765.49
  4. Step 4: Simplify right side
    25,810.43x = 455,249,987.45
  5. Step 5: Solve for x
    x = 455,249,987.45/25,810.43
  6. Step 6: Final answer
    x = 17,638.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.