Home / 28,859.34-43,290.63-14,080.89

Finding the Fourth Proportional to 28,859.34, 43,290.63 and 14,080.89

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Solution

The fourth proportional to 28,859.34, 43,290.63 and 14,080.89 is: 21,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.34 : 43,290.63 = 14,080.89 : x
  2. Step 2: Convert to fraction form
    28,859.34/43,290.63 = 14,080.89/x
  3. Step 3: Cross multiply
    28,859.34x = 43,290.63 × 14,080.89
  4. Step 4: Simplify right side
    28,859.34x = 609,570,599.06
  5. Step 5: Solve for x
    x = 609,570,599.06/28,859.34
  6. Step 6: Final answer
    x = 21,122.13

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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.