Home / 28,473.06-39,279.51-18,404.70

Finding the Fourth Proportional to 28,473.06, 39,279.51 and 18,404.70

Calculator

Solution

The fourth proportional to 28,473.06, 39,279.51 and 18,404.70 is: 25,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.06 : 39,279.51 = 18,404.70 : x
  2. Step 2: Convert to fraction form
    28,473.06/39,279.51 = 18,404.70/x
  3. Step 3: Cross multiply
    28,473.06x = 39,279.51 × 18,404.70
  4. Step 4: Simplify right side
    28,473.06x = 722,927,597.70
  5. Step 5: Solve for x
    x = 722,927,597.70/28,473.06
  6. Step 6: Final answer
    x = 25,389.88

Related Problems

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.