Home / 27,736.02-38,275.71-15,806.28

Finding the Fourth Proportional to 27,736.02, 38,275.71 and 15,806.28

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Solution

The fourth proportional to 27,736.02, 38,275.71 and 15,806.28 is: 21,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.02 : 38,275.71 = 15,806.28 : x
  2. Step 2: Convert to fraction form
    27,736.02/38,275.71 = 15,806.28/x
  3. Step 3: Cross multiply
    27,736.02x = 38,275.71 × 15,806.28
  4. Step 4: Simplify right side
    27,736.02x = 604,996,589.46
  5. Step 5: Solve for x
    x = 604,996,589.46/27,736.02
  6. Step 6: Final answer
    x = 21,812.67

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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.