Home / 28,825.58-39,782.66-16,888.66

Finding the Fourth Proportional to 28,825.58, 39,782.66 and 16,888.66

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Solution

The fourth proportional to 28,825.58, 39,782.66 and 16,888.66 is: 23,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.58 : 39,782.66 = 16,888.66 : x
  2. Step 2: Convert to fraction form
    28,825.58/39,782.66 = 16,888.66/x
  3. Step 3: Cross multiply
    28,825.58x = 39,782.66 × 16,888.66
  4. Step 4: Simplify right side
    28,825.58x = 671,875,818.64
  5. Step 5: Solve for x
    x = 671,875,818.64/28,825.58
  6. Step 6: Final answer
    x = 23,308.32

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1.5x scale

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.