Home / 28,888-43,332-7,000

Finding the Fourth Proportional to 28,888, 43,332 and 7,000

Calculator

Solution

The fourth proportional to 28,888, 43,332 and 7,000 is: 10,500

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888 : 43,332 = 7,000 : x
  2. Step 2: Convert to fraction form
    28,888/43,332 = 7,000/x
  3. Step 3: Cross multiply
    28,888x = 43,332 × 7,000
  4. Step 4: Simplify right side
    28,888x = 303,324,000
  5. Step 5: Solve for x
    x = 303,324,000/28,888
  6. Step 6: Final answer
    x = 10,500

Related Problems

Find fourth proportional to 14,444, 21,666 and 3,500
Half scale
Find fourth proportional to 57,776, 86,664 and 14,000
Double scale
Find fourth proportional to 28,889, 43,333.50 and 7,001
Similar ratio
Find fourth proportional to 43,332, 64,998 and 10,500
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.