Home / 27,403.92-37,818-15,467.28

Finding the Fourth Proportional to 27,403.92, 37,818 and 15,467.28

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Solution

The fourth proportional to 27,403.92, 37,818 and 15,467.28 is: 21,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.92 : 37,818 = 15,467.28 : x
  2. Step 2: Convert to fraction form
    27,403.92/37,818 = 15,467.28/x
  3. Step 3: Cross multiply
    27,403.92x = 37,818 × 15,467.28
  4. Step 4: Simplify right side
    27,403.92x = 584,941,595.04
  5. Step 5: Solve for x
    x = 584,941,595.04/27,403.92
  6. Step 6: Final answer
    x = 21,345.18

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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.