Home / 28,533.34-42,776.82-11,905.77

Finding the Fourth Proportional to 28,533.34, 42,776.82 and 11,905.77

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Solution

The fourth proportional to 28,533.34, 42,776.82 and 11,905.77 is: 17,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.34 : 42,776.82 = 11,905.77 : x
  2. Step 2: Convert to fraction form
    28,533.34/42,776.82 = 11,905.77/x
  3. Step 3: Cross multiply
    28,533.34x = 42,776.82 × 11,905.77
  4. Step 4: Simplify right side
    28,533.34x = 509,290,980.25
  5. Step 5: Solve for x
    x = 509,290,980.25/28,533.34
  6. Step 6: Final answer
    x = 17,848.98

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1.5x scale

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.