Home / 22,858.00-31,542.55-12,784.70

Finding the Fourth Proportional to 22,858.00, 31,542.55 and 12,784.70

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Solution

The fourth proportional to 22,858.00, 31,542.55 and 12,784.70 is: 17,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.00 : 31,542.55 = 12,784.70 : x
  2. Step 2: Convert to fraction form
    22,858.00/31,542.55 = 12,784.70/x
  3. Step 3: Cross multiply
    22,858.00x = 31,542.55 × 12,784.70
  4. Step 4: Simplify right side
    22,858.00x = 403,261,980.37
  5. Step 5: Solve for x
    x = 403,261,980.37/22,858.00
  6. Step 6: Final answer
    x = 17,642.05

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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.