Home / 25,040.68-34,556.88-13,862.68

Finding the Fourth Proportional to 25,040.68, 34,556.88 and 13,862.68

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Solution

The fourth proportional to 25,040.68, 34,556.88 and 13,862.68 is: 19,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.68 : 34,556.88 = 13,862.68 : x
  2. Step 2: Convert to fraction form
    25,040.68/34,556.88 = 13,862.68/x
  3. Step 3: Cross multiply
    25,040.68x = 34,556.88 × 13,862.68
  4. Step 4: Simplify right side
    25,040.68x = 479,050,969.24
  5. Step 5: Solve for x
    x = 479,050,969.24/25,040.68
  6. Step 6: Final answer
    x = 19,130.91

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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.