Home / 28,276.71-42,397.64-9,554.97

Finding the Fourth Proportional to 28,276.71, 42,397.64 and 9,554.97

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Solution

The fourth proportional to 28,276.71, 42,397.64 and 9,554.97 is: 14,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.71 : 42,397.64 = 9,554.97 : x
  2. Step 2: Convert to fraction form
    28,276.71/42,397.64 = 9,554.97/x
  3. Step 3: Cross multiply
    28,276.71x = 42,397.64 × 9,554.97
  4. Step 4: Simplify right side
    28,276.71x = 405,108,325.32
  5. Step 5: Solve for x
    x = 405,108,325.32/28,276.71
  6. Step 6: Final answer
    x = 14,326.57

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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.