Home / 28,560.98-42,917.50-26,765.36

Finding the Fourth Proportional to 28,560.98, 42,917.50 and 26,765.36

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Solution

The fourth proportional to 28,560.98, 42,917.50 and 26,765.36 is: 40,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.98 : 42,917.50 = 26,765.36 : x
  2. Step 2: Convert to fraction form
    28,560.98/42,917.50 = 26,765.36/x
  3. Step 3: Cross multiply
    28,560.98x = 42,917.50 × 26,765.36
  4. Step 4: Simplify right side
    28,560.98x = 1,148,702,528.74
  5. Step 5: Solve for x
    x = 1,148,702,528.74/28,560.98
  6. Step 6: Final answer
    x = 40,219.30

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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.