Home / 28,852.80-43,315.65-15,536.40

Finding the Fourth Proportional to 28,852.80, 43,315.65 and 15,536.40

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Solution

The fourth proportional to 28,852.80, 43,315.65 and 15,536.40 is: 23,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.80 : 43,315.65 = 15,536.40 : x
  2. Step 2: Convert to fraction form
    28,852.80/43,315.65 = 15,536.40/x
  3. Step 3: Cross multiply
    28,852.80x = 43,315.65 × 15,536.40
  4. Step 4: Simplify right side
    28,852.80x = 672,969,264.66
  5. Step 5: Solve for x
    x = 672,969,264.66/28,852.80
  6. Step 6: Final answer
    x = 23,324.23

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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.