Home / 27,693.15-38,216.95-15,756.23

Finding the Fourth Proportional to 27,693.15, 38,216.95 and 15,756.23

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Solution

The fourth proportional to 27,693.15, 38,216.95 and 15,756.23 is: 21,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.15 : 38,216.95 = 15,756.23 : x
  2. Step 2: Convert to fraction form
    27,693.15/38,216.95 = 15,756.23/x
  3. Step 3: Cross multiply
    27,693.15x = 38,216.95 × 15,756.23
  4. Step 4: Simplify right side
    27,693.15x = 602,155,054.10
  5. Step 5: Solve for x
    x = 602,155,054.10/27,693.15
  6. Step 6: Final answer
    x = 21,743.83

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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.