Home / 21,988.34-30,336.72-14,033.16

Finding the Fourth Proportional to 21,988.34, 30,336.72 and 14,033.16

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Solution

The fourth proportional to 21,988.34, 30,336.72 and 14,033.16 is: 19,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988.34 : 30,336.72 = 14,033.16 : x
  2. Step 2: Convert to fraction form
    21,988.34/30,336.72 = 14,033.16/x
  3. Step 3: Cross multiply
    21,988.34x = 30,336.72 × 14,033.16
  4. Step 4: Simplify right side
    21,988.34x = 425,720,045.64
  5. Step 5: Solve for x
    x = 425,720,045.64/21,988.34
  6. Step 6: Final answer
    x = 19,361.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.