Home / 28,288,705.28-42,622,089.70-25,559,425.26

Finding the Fourth Proportional to 28,288,705.28, 42,622,089.70 and 25,559,425.26

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Solution

The fourth proportional to 28,288,705.28, 42,622,089.70 and 25,559,425.26 is: 38,509,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,705.28 : 42,622,089.70 = 25,559,425.26 : x
  2. Step 2: Convert to fraction form
    28,288,705.28/42,622,089.70 = 25,559,425.26/x
  3. Step 3: Cross multiply
    28,288,705.28x = 42,622,089.70 × 25,559,425.26
  4. Step 4: Simplify right side
    28,288,705.28x = 1,089,396,116,112,166
  5. Step 5: Solve for x
    x = 1,089,396,116,112,166/28,288,705.28
  6. Step 6: Final answer
    x = 38,509,931.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.