Home / 19,464.48-26,859.60-15,282.72

Finding the Fourth Proportional to 19,464.48, 26,859.60 and 15,282.72

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Solution

The fourth proportional to 19,464.48, 26,859.60 and 15,282.72 is: 21,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,464.48 : 26,859.60 = 15,282.72 : x
  2. Step 2: Convert to fraction form
    19,464.48/26,859.60 = 15,282.72/x
  3. Step 3: Cross multiply
    19,464.48x = 26,859.60 × 15,282.72
  4. Step 4: Simplify right side
    19,464.48x = 410,487,746.11
  5. Step 5: Solve for x
    x = 410,487,746.11/19,464.48
  6. Step 6: Final answer
    x = 21,089.07

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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.