Home / 27,012.16-37,278.65-15,077.82

Finding the Fourth Proportional to 27,012.16, 37,278.65 and 15,077.82

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Solution

The fourth proportional to 27,012.16, 37,278.65 and 15,077.82 is: 20,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.16 : 37,278.65 = 15,077.82 : x
  2. Step 2: Convert to fraction form
    27,012.16/37,278.65 = 15,077.82/x
  3. Step 3: Cross multiply
    27,012.16x = 37,278.65 × 15,077.82
  4. Step 4: Simplify right side
    27,012.16x = 562,080,605.96
  5. Step 5: Solve for x
    x = 562,080,605.96/27,012.16
  6. Step 6: Final answer
    x = 20,808.43

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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.