Home / 27,693.83-38,216.99-15,756.90

Finding the Fourth Proportional to 27,693.83, 38,216.99 and 15,756.90

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Solution

The fourth proportional to 27,693.83, 38,216.99 and 15,756.90 is: 21,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.83 : 38,216.99 = 15,756.90 : x
  2. Step 2: Convert to fraction form
    27,693.83/38,216.99 = 15,756.90/x
  3. Step 3: Cross multiply
    27,693.83x = 38,216.99 × 15,756.90
  4. Step 4: Simplify right side
    27,693.83x = 602,181,210.95
  5. Step 5: Solve for x
    x = 602,181,210.95/27,693.83
  6. Step 6: Final answer
    x = 21,744.24

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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.