Home / 21,767.31-30,041.37-14,708.16

Finding the Fourth Proportional to 21,767.31, 30,041.37 and 14,708.16

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Solution

The fourth proportional to 21,767.31, 30,041.37 and 14,708.16 is: 20,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.31 : 30,041.37 = 14,708.16 : x
  2. Step 2: Convert to fraction form
    21,767.31/30,041.37 = 14,708.16/x
  3. Step 3: Cross multiply
    21,767.31x = 30,041.37 × 14,708.16
  4. Step 4: Simplify right side
    21,767.31x = 441,853,276.58
  5. Step 5: Solve for x
    x = 441,853,276.58/21,767.31
  6. Step 6: Final answer
    x = 20,298.94

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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.