Home / 28,552.77-42,848.18-12,752.55

Finding the Fourth Proportional to 28,552.77, 42,848.18 and 12,752.55

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Solution

The fourth proportional to 28,552.77, 42,848.18 and 12,752.55 is: 19,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.77 : 42,848.18 = 12,752.55 : x
  2. Step 2: Convert to fraction form
    28,552.77/42,848.18 = 12,752.55/x
  3. Step 3: Cross multiply
    28,552.77x = 42,848.18 × 12,752.55
  4. Step 4: Simplify right side
    28,552.77x = 546,423,343.62
  5. Step 5: Solve for x
    x = 546,423,343.62/28,552.77
  6. Step 6: Final answer
    x = 19,137.32

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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.