Home / 26,637.07-39,945.22-9,988.01

Finding the Fourth Proportional to 26,637.07, 39,945.22 and 9,988.01

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Solution

The fourth proportional to 26,637.07, 39,945.22 and 9,988.01 is: 14,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.07 : 39,945.22 = 9,988.01 : x
  2. Step 2: Convert to fraction form
    26,637.07/39,945.22 = 9,988.01/x
  3. Step 3: Cross multiply
    26,637.07x = 39,945.22 × 9,988.01
  4. Step 4: Simplify right side
    26,637.07x = 398,973,256.81
  5. Step 5: Solve for x
    x = 398,973,256.81/26,637.07
  6. Step 6: Final answer
    x = 14,978.12

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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.