Home / 21,680.32-32,518.16-14,705.14

Finding the Fourth Proportional to 21,680.32, 32,518.16 and 14,705.14

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Solution

The fourth proportional to 21,680.32, 32,518.16 and 14,705.14 is: 22,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680.32 : 32,518.16 = 14,705.14 : x
  2. Step 2: Convert to fraction form
    21,680.32/32,518.16 = 14,705.14/x
  3. Step 3: Cross multiply
    21,680.32x = 32,518.16 × 14,705.14
  4. Step 4: Simplify right side
    21,680.32x = 478,184,095.34
  5. Step 5: Solve for x
    x = 478,184,095.34/21,680.32
  6. Step 6: Final answer
    x = 22,056.14

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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.