Home / 26,881.65-36,973.35-21,564.81

Finding the Fourth Proportional to 26,881.65, 36,973.35 and 21,564.81

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Solution

The fourth proportional to 26,881.65, 36,973.35 and 21,564.81 is: 29,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.65 : 36,973.35 = 21,564.81 : x
  2. Step 2: Convert to fraction form
    26,881.65/36,973.35 = 21,564.81/x
  3. Step 3: Cross multiply
    26,881.65x = 36,973.35 × 21,564.81
  4. Step 4: Simplify right side
    26,881.65x = 797,323,267.81
  5. Step 5: Solve for x
    x = 797,323,267.81/26,881.65
  6. Step 6: Final answer
    x = 29,660.50

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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.