Home / 21,345.84-32,018.76-5,763.48

Finding the Fourth Proportional to 21,345.84, 32,018.76 and 5,763.48

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Solution

The fourth proportional to 21,345.84, 32,018.76 and 5,763.48 is: 8,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.84 : 32,018.76 = 5,763.48 : x
  2. Step 2: Convert to fraction form
    21,345.84/32,018.76 = 5,763.48/x
  3. Step 3: Cross multiply
    21,345.84x = 32,018.76 × 5,763.48
  4. Step 4: Simplify right side
    21,345.84x = 184,539,482.88
  5. Step 5: Solve for x
    x = 184,539,482.88/21,345.84
  6. Step 6: Final answer
    x = 8,645.22

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Similar ratio
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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.