Home / 28,470.32-42,653.64-27,848.24

Finding the Fourth Proportional to 28,470.32, 42,653.64 and 27,848.24

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Solution

The fourth proportional to 28,470.32, 42,653.64 and 27,848.24 is: 41,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470.32 : 42,653.64 = 27,848.24 : x
  2. Step 2: Convert to fraction form
    28,470.32/42,653.64 = 27,848.24/x
  3. Step 3: Cross multiply
    28,470.32x = 42,653.64 × 27,848.24
  4. Step 4: Simplify right side
    28,470.32x = 1,187,828,803.59
  5. Step 5: Solve for x
    x = 1,187,828,803.59/28,470.32
  6. Step 6: Final answer
    x = 41,721.65

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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.