Home / 28,203.38-42,307.19-9,483.47

Finding the Fourth Proportional to 28,203.38, 42,307.19 and 9,483.47

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Solution

The fourth proportional to 28,203.38, 42,307.19 and 9,483.47 is: 14,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.38 : 42,307.19 = 9,483.47 : x
  2. Step 2: Convert to fraction form
    28,203.38/42,307.19 = 9,483.47/x
  3. Step 3: Cross multiply
    28,203.38x = 42,307.19 × 9,483.47
  4. Step 4: Simplify right side
    28,203.38x = 401,218,967.15
  5. Step 5: Solve for x
    x = 401,218,967.15/28,203.38
  6. Step 6: Final answer
    x = 14,225.92

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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.