Home / 27,990-41,985-9,522

Finding the Fourth Proportional to 27,990, 41,985 and 9,522

Calculator

Solution

The fourth proportional to 27,990, 41,985 and 9,522 is: 14,283

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990 : 41,985 = 9,522 : x
  2. Step 2: Convert to fraction form
    27,990/41,985 = 9,522/x
  3. Step 3: Cross multiply
    27,990x = 41,985 × 9,522
  4. Step 4: Simplify right side
    27,990x = 399,781,170
  5. Step 5: Solve for x
    x = 399,781,170/27,990
  6. Step 6: Final answer
    x = 14,283

Related Problems

Find fourth proportional to 13,995, 20,992.50 and 4,761
Half scale
Find fourth proportional to 55,980, 83,970 and 19,044
Double scale
Find fourth proportional to 27,991, 41,986.50 and 9,523
Similar ratio
Find fourth proportional to 41,985, 62,977.50 and 14,283
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.