Home / 28,330.64-42,457.08-14,450.48

Finding the Fourth Proportional to 28,330.64, 42,457.08 and 14,450.48

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Solution

The fourth proportional to 28,330.64, 42,457.08 and 14,450.48 is: 21,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.64 : 42,457.08 = 14,450.48 : x
  2. Step 2: Convert to fraction form
    28,330.64/42,457.08 = 14,450.48/x
  3. Step 3: Cross multiply
    28,330.64x = 42,457.08 × 14,450.48
  4. Step 4: Simplify right side
    28,330.64x = 613,525,185.40
  5. Step 5: Solve for x
    x = 613,525,185.40/28,330.64
  6. Step 6: Final answer
    x = 21,655.89

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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.