Home / 27,398.08-37,807.20-15,464.32

Finding the Fourth Proportional to 27,398.08, 37,807.20 and 15,464.32

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Solution

The fourth proportional to 27,398.08, 37,807.20 and 15,464.32 is: 21,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.08 : 37,807.20 = 15,464.32 : x
  2. Step 2: Convert to fraction form
    27,398.08/37,807.20 = 15,464.32/x
  3. Step 3: Cross multiply
    27,398.08x = 37,807.20 × 15,464.32
  4. Step 4: Simplify right side
    27,398.08x = 584,662,639.10
  5. Step 5: Solve for x
    x = 584,662,639.10/27,398.08
  6. Step 6: Final answer
    x = 21,339.55

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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.