Home / 28,248.12-42,368.58-7,473.24

Finding the Fourth Proportional to 28,248.12, 42,368.58 and 7,473.24

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Solution

The fourth proportional to 28,248.12, 42,368.58 and 7,473.24 is: 11,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.12 : 42,368.58 = 7,473.24 : x
  2. Step 2: Convert to fraction form
    28,248.12/42,368.58 = 7,473.24/x
  3. Step 3: Cross multiply
    28,248.12x = 42,368.58 × 7,473.24
  4. Step 4: Simplify right side
    28,248.12x = 316,630,566.80
  5. Step 5: Solve for x
    x = 316,630,566.80/28,248.12
  6. Step 6: Final answer
    x = 11,208.91

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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.