Home / 28,350,057.20-42,525,085.80-26,857,065.20

Finding the Fourth Proportional to 28,350,057.20, 42,525,085.80 and 26,857,065.20

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Solution

The fourth proportional to 28,350,057.20, 42,525,085.80 and 26,857,065.20 is: 40,285,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350,057.20 : 42,525,085.80 = 26,857,065.20 : x
  2. Step 2: Convert to fraction form
    28,350,057.20/42,525,085.80 = 26,857,065.20/x
  3. Step 3: Cross multiply
    28,350,057.20x = 42,525,085.80 × 26,857,065.20
  4. Step 4: Simplify right side
    28,350,057.20x = 1,142,099,001,966,194
  5. Step 5: Solve for x
    x = 1,142,099,001,966,194/28,350,057.20
  6. Step 6: Final answer
    x = 40,285,597.80

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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.