Home / 27,256.47-37,613.75-15,319.55

Finding the Fourth Proportional to 27,256.47, 37,613.75 and 15,319.55

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Solution

The fourth proportional to 27,256.47, 37,613.75 and 15,319.55 is: 21,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.47 : 37,613.75 = 15,319.55 : x
  2. Step 2: Convert to fraction form
    27,256.47/37,613.75 = 15,319.55/x
  3. Step 3: Cross multiply
    27,256.47x = 37,613.75 × 15,319.55
  4. Step 4: Simplify right side
    27,256.47x = 576,225,459.15
  5. Step 5: Solve for x
    x = 576,225,459.15/27,256.47
  6. Step 6: Final answer
    x = 21,140.87

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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.