Home / 28,308.90-42,462.87-7,248.75

Finding the Fourth Proportional to 28,308.90, 42,462.87 and 7,248.75

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Solution

The fourth proportional to 28,308.90, 42,462.87 and 7,248.75 is: 10,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.90 : 42,462.87 = 7,248.75 : x
  2. Step 2: Convert to fraction form
    28,308.90/42,462.87 = 7,248.75/x
  3. Step 3: Cross multiply
    28,308.90x = 42,462.87 × 7,248.75
  4. Step 4: Simplify right side
    28,308.90x = 307,802,728.91
  5. Step 5: Solve for x
    x = 307,802,728.91/28,308.90
  6. Step 6: Final answer
    x = 10,873.00

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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.