Home / 29,897.40-40,959.62-28,776.36

Finding the Fourth Proportional to 29,897.40, 40,959.62 and 28,776.36

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Solution

The fourth proportional to 29,897.40, 40,959.62 and 28,776.36 is: 39,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,897.40 : 40,959.62 = 28,776.36 : x
  2. Step 2: Convert to fraction form
    29,897.40/40,959.62 = 28,776.36/x
  3. Step 3: Cross multiply
    29,897.40x = 40,959.62 × 28,776.36
  4. Step 4: Simplify right side
    29,897.40x = 1,178,668,770.58
  5. Step 5: Solve for x
    x = 1,178,668,770.58/29,897.40
  6. Step 6: Final answer
    x = 39,423.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.