Home / 25,140.78-37,860.33-21,893.07

Finding the Fourth Proportional to 25,140.78, 37,860.33 and 21,893.07

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Solution

The fourth proportional to 25,140.78, 37,860.33 and 21,893.07 is: 32,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.78 : 37,860.33 = 21,893.07 : x
  2. Step 2: Convert to fraction form
    25,140.78/37,860.33 = 21,893.07/x
  3. Step 3: Cross multiply
    25,140.78x = 37,860.33 × 21,893.07
  4. Step 4: Simplify right side
    25,140.78x = 828,878,854.91
  5. Step 5: Solve for x
    x = 828,878,854.91/25,140.78
  6. Step 6: Final answer
    x = 32,969.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.