Home / 28,275.18-42,383.25-9,548.76

Finding the Fourth Proportional to 28,275.18, 42,383.25 and 9,548.76

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Solution

The fourth proportional to 28,275.18, 42,383.25 and 9,548.76 is: 14,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.18 : 42,383.25 = 9,548.76 : x
  2. Step 2: Convert to fraction form
    28,275.18/42,383.25 = 9,548.76/x
  3. Step 3: Cross multiply
    28,275.18x = 42,383.25 × 9,548.76
  4. Step 4: Simplify right side
    28,275.18x = 404,707,482.27
  5. Step 5: Solve for x
    x = 404,707,482.27/28,275.18
  6. Step 6: Final answer
    x = 14,313.17

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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.