Home / 28,340.10-42,722.42-26,437.14

Finding the Fourth Proportional to 28,340.10, 42,722.42 and 26,437.14

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Solution

The fourth proportional to 28,340.10, 42,722.42 and 26,437.14 is: 39,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.10 : 42,722.42 = 26,437.14 : x
  2. Step 2: Convert to fraction form
    28,340.10/42,722.42 = 26,437.14/x
  3. Step 3: Cross multiply
    28,340.10x = 42,722.42 × 26,437.14
  4. Step 4: Simplify right side
    28,340.10x = 1,129,458,466.49
  5. Step 5: Solve for x
    x = 1,129,458,466.49/28,340.10
  6. Step 6: Final answer
    x = 39,853.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.