Home / 21,442.56-32,152.32-9,758.40

Finding the Fourth Proportional to 21,442.56, 32,152.32 and 9,758.40

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Solution

The fourth proportional to 21,442.56, 32,152.32 and 9,758.40 is: 14,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.56 : 32,152.32 = 9,758.40 : x
  2. Step 2: Convert to fraction form
    21,442.56/32,152.32 = 9,758.40/x
  3. Step 3: Cross multiply
    21,442.56x = 32,152.32 × 9,758.40
  4. Step 4: Simplify right side
    21,442.56x = 313,755,199.49
  5. Step 5: Solve for x
    x = 313,755,199.49/21,442.56
  6. Step 6: Final answer
    x = 14,632.36

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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.