Home / 21,617.69-32,384.58-14,199.64

Finding the Fourth Proportional to 21,617.69, 32,384.58 and 14,199.64

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Solution

The fourth proportional to 21,617.69, 32,384.58 and 14,199.64 is: 21,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.69 : 32,384.58 = 14,199.64 : x
  2. Step 2: Convert to fraction form
    21,617.69/32,384.58 = 14,199.64/x
  3. Step 3: Cross multiply
    21,617.69x = 32,384.58 × 14,199.64
  4. Step 4: Simplify right side
    21,617.69x = 459,849,243.34
  5. Step 5: Solve for x
    x = 459,849,243.34/21,617.69
  6. Step 6: Final answer
    x = 21,271.90

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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.