Home / 30,567.68-45,894-15,787.52

Finding the Fourth Proportional to 30,567.68, 45,894 and 15,787.52

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Solution

The fourth proportional to 30,567.68, 45,894 and 15,787.52 is: 23,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.68 : 45,894 = 15,787.52 : x
  2. Step 2: Convert to fraction form
    30,567.68/45,894 = 15,787.52/x
  3. Step 3: Cross multiply
    30,567.68x = 45,894 × 15,787.52
  4. Step 4: Simplify right side
    30,567.68x = 724,552,442.88
  5. Step 5: Solve for x
    x = 724,552,442.88/30,567.68
  6. Step 6: Final answer
    x = 23,703.22

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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.