Home / 40,582.98-60,870.65-28,787.31

Finding the Fourth Proportional to 40,582.98, 60,870.65 and 28,787.31

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Solution

The fourth proportional to 40,582.98, 60,870.65 and 28,787.31 is: 43,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,582.98 : 60,870.65 = 28,787.31 : x
  2. Step 2: Convert to fraction form
    40,582.98/60,870.65 = 28,787.31/x
  3. Step 3: Cross multiply
    40,582.98x = 60,870.65 × 28,787.31
  4. Step 4: Simplify right side
    40,582.98x = 1,752,302,127.51
  5. Step 5: Solve for x
    x = 1,752,302,127.51/40,582.98
  6. Step 6: Final answer
    x = 43,178.25

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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.