Home / 19,047.72-28,570.90-5,007.52

Finding the Fourth Proportional to 19,047.72, 28,570.90 and 5,007.52

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Solution

The fourth proportional to 19,047.72, 28,570.90 and 5,007.52 is: 7,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.72 : 28,570.90 = 5,007.52 : x
  2. Step 2: Convert to fraction form
    19,047.72/28,570.90 = 5,007.52/x
  3. Step 3: Cross multiply
    19,047.72x = 28,570.90 × 5,007.52
  4. Step 4: Simplify right side
    19,047.72x = 143,069,353.17
  5. Step 5: Solve for x
    x = 143,069,353.17/19,047.72
  6. Step 6: Final answer
    x = 7,511.10

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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.