Home / 28,226.51-42,345.45-9,505.79

Finding the Fourth Proportional to 28,226.51, 42,345.45 and 9,505.79

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Solution

The fourth proportional to 28,226.51, 42,345.45 and 9,505.79 is: 14,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.51 : 42,345.45 = 9,505.79 : x
  2. Step 2: Convert to fraction form
    28,226.51/42,345.45 = 9,505.79/x
  3. Step 3: Cross multiply
    28,226.51x = 42,345.45 × 9,505.79
  4. Step 4: Simplify right side
    28,226.51x = 402,526,955.16
  5. Step 5: Solve for x
    x = 402,526,955.16/28,226.51
  6. Step 6: Final answer
    x = 14,260.60

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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.