Home / 22,854.08-31,536.46-12,782.27

Finding the Fourth Proportional to 22,854.08, 31,536.46 and 12,782.27

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Solution

The fourth proportional to 22,854.08, 31,536.46 and 12,782.27 is: 17,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,854.08 : 31,536.46 = 12,782.27 : x
  2. Step 2: Convert to fraction form
    22,854.08/31,536.46 = 12,782.27/x
  3. Step 3: Cross multiply
    22,854.08x = 31,536.46 × 12,782.27
  4. Step 4: Simplify right side
    22,854.08x = 403,107,569.48
  5. Step 5: Solve for x
    x = 403,107,569.48/22,854.08
  6. Step 6: Final answer
    x = 17,638.32

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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.