Home / 27,430.40-37,854.12-14,855.16

Finding the Fourth Proportional to 27,430.40, 37,854.12 and 14,855.16

Calculator

Solution

The fourth proportional to 27,430.40, 37,854.12 and 14,855.16 is: 20,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.40 : 37,854.12 = 14,855.16 : x
  2. Step 2: Convert to fraction form
    27,430.40/37,854.12 = 14,855.16/x
  3. Step 3: Cross multiply
    27,430.40x = 37,854.12 × 14,855.16
  4. Step 4: Simplify right side
    27,430.40x = 562,329,009.26
  5. Step 5: Solve for x
    x = 562,329,009.26/27,430.40
  6. Step 6: Final answer
    x = 20,500.21

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.