Home / 26,030.64-39,041.04-12,690.25

Finding the Fourth Proportional to 26,030.64, 39,041.04 and 12,690.25

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Solution

The fourth proportional to 26,030.64, 39,041.04 and 12,690.25 is: 19,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,030.64 : 39,041.04 = 12,690.25 : x
  2. Step 2: Convert to fraction form
    26,030.64/39,041.04 = 12,690.25/x
  3. Step 3: Cross multiply
    26,030.64x = 39,041.04 × 12,690.25
  4. Step 4: Simplify right side
    26,030.64x = 495,440,460.26
  5. Step 5: Solve for x
    x = 495,440,460.26/26,030.64
  6. Step 6: Final answer
    x = 19,032.97

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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.