Home / 19,640.08-29,432.60-15,237.20

Finding the Fourth Proportional to 19,640.08, 29,432.60 and 15,237.20

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Solution

The fourth proportional to 19,640.08, 29,432.60 and 15,237.20 is: 22,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.08 : 29,432.60 = 15,237.20 : x
  2. Step 2: Convert to fraction form
    19,640.08/29,432.60 = 15,237.20/x
  3. Step 3: Cross multiply
    19,640.08x = 29,432.60 × 15,237.20
  4. Step 4: Simplify right side
    19,640.08x = 448,470,412.72
  5. Step 5: Solve for x
    x = 448,470,412.72/19,640.08
  6. Step 6: Final answer
    x = 22,834.45

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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.