Home / 21,492.16-32,225.29-9,643.75

Finding the Fourth Proportional to 21,492.16, 32,225.29 and 9,643.75

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Solution

The fourth proportional to 21,492.16, 32,225.29 and 9,643.75 is: 14,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.16 : 32,225.29 = 9,643.75 : x
  2. Step 2: Convert to fraction form
    21,492.16/32,225.29 = 9,643.75/x
  3. Step 3: Cross multiply
    21,492.16x = 32,225.29 × 9,643.75
  4. Step 4: Simplify right side
    21,492.16x = 310,772,640.44
  5. Step 5: Solve for x
    x = 310,772,640.44/21,492.16
  6. Step 6: Final answer
    x = 14,459.81

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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.