Home / 21,666.32-32,487.24-14,274.80

Finding the Fourth Proportional to 21,666.32, 32,487.24 and 14,274.80

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Solution

The fourth proportional to 21,666.32, 32,487.24 and 14,274.80 is: 21,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.32 : 32,487.24 = 14,274.80 : x
  2. Step 2: Convert to fraction form
    21,666.32/32,487.24 = 14,274.80/x
  3. Step 3: Cross multiply
    21,666.32x = 32,487.24 × 14,274.80
  4. Step 4: Simplify right side
    21,666.32x = 463,748,853.55
  5. Step 5: Solve for x
    x = 463,748,853.55/21,666.32
  6. Step 6: Final answer
    x = 21,404.14

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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.