Home / 21,707.77-29,970.93-16,698.17

Finding the Fourth Proportional to 21,707.77, 29,970.93 and 16,698.17

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Solution

The fourth proportional to 21,707.77, 29,970.93 and 16,698.17 is: 23,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.77 : 29,970.93 = 16,698.17 : x
  2. Step 2: Convert to fraction form
    21,707.77/29,970.93 = 16,698.17/x
  3. Step 3: Cross multiply
    21,707.77x = 29,970.93 × 16,698.17
  4. Step 4: Simplify right side
    21,707.77x = 500,459,727.82
  5. Step 5: Solve for x
    x = 500,459,727.82/21,707.77
  6. Step 6: Final answer
    x = 23,054.41

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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.