Home / 28,277.86-42,361.31-23,018.53

Finding the Fourth Proportional to 28,277.86, 42,361.31 and 23,018.53

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Solution

The fourth proportional to 28,277.86, 42,361.31 and 23,018.53 is: 34,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.86 : 42,361.31 = 23,018.53 : x
  2. Step 2: Convert to fraction form
    28,277.86/42,361.31 = 23,018.53/x
  3. Step 3: Cross multiply
    28,277.86x = 42,361.31 × 23,018.53
  4. Step 4: Simplify right side
    28,277.86x = 975,095,085.07
  5. Step 5: Solve for x
    x = 975,095,085.07/28,277.86
  6. Step 6: Final answer
    x = 34,482.63

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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.