Home / 27,693.93-38,212.50-15,756.55

Finding the Fourth Proportional to 27,693.93, 38,212.50 and 15,756.55

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Solution

The fourth proportional to 27,693.93, 38,212.50 and 15,756.55 is: 21,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.93 : 38,212.50 = 15,756.55 : x
  2. Step 2: Convert to fraction form
    27,693.93/38,212.50 = 15,756.55/x
  3. Step 3: Cross multiply
    27,693.93x = 38,212.50 × 15,756.55
  4. Step 4: Simplify right side
    27,693.93x = 602,097,166.88
  5. Step 5: Solve for x
    x = 602,097,166.88/27,693.93
  6. Step 6: Final answer
    x = 21,741.12

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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.