Home / 27,802.02-38,366.80-15,226.76

Finding the Fourth Proportional to 27,802.02, 38,366.80 and 15,226.76

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Solution

The fourth proportional to 27,802.02, 38,366.80 and 15,226.76 is: 21,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.02 : 38,366.80 = 15,226.76 : x
  2. Step 2: Convert to fraction form
    27,802.02/38,366.80 = 15,226.76/x
  3. Step 3: Cross multiply
    27,802.02x = 38,366.80 × 15,226.76
  4. Step 4: Simplify right side
    27,802.02x = 584,202,055.57
  5. Step 5: Solve for x
    x = 584,202,055.57/27,802.02
  6. Step 6: Final answer
    x = 21,012.94

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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.