Home / 28,431.23-42,740.24-26,376.08

Finding the Fourth Proportional to 28,431.23, 42,740.24 and 26,376.08

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Solution

The fourth proportional to 28,431.23, 42,740.24 and 26,376.08 is: 39,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.23 : 42,740.24 = 26,376.08 : x
  2. Step 2: Convert to fraction form
    28,431.23/42,740.24 = 26,376.08/x
  3. Step 3: Cross multiply
    28,431.23x = 42,740.24 × 26,376.08
  4. Step 4: Simplify right side
    28,431.23x = 1,127,319,643.88
  5. Step 5: Solve for x
    x = 1,127,319,643.88/28,431.23
  6. Step 6: Final answer
    x = 39,650.76

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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.