Home / 27,427.95-37,824.57-18,916.47

Finding the Fourth Proportional to 27,427.95, 37,824.57 and 18,916.47

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Solution

The fourth proportional to 27,427.95, 37,824.57 and 18,916.47 is: 26,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.95 : 37,824.57 = 18,916.47 : x
  2. Step 2: Convert to fraction form
    27,427.95/37,824.57 = 18,916.47/x
  3. Step 3: Cross multiply
    27,427.95x = 37,824.57 × 18,916.47
  4. Step 4: Simplify right side
    27,427.95x = 715,507,343.67
  5. Step 5: Solve for x
    x = 715,507,343.67/27,427.95
  6. Step 6: Final answer
    x = 26,086.80

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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.