Home / 37,985.20-56,972.40-13,026.40

Finding the Fourth Proportional to 37,985.20, 56,972.40 and 13,026.40

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Solution

The fourth proportional to 37,985.20, 56,972.40 and 13,026.40 is: 19,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.20 : 56,972.40 = 13,026.40 : x
  2. Step 2: Convert to fraction form
    37,985.20/56,972.40 = 13,026.40/x
  3. Step 3: Cross multiply
    37,985.20x = 56,972.40 × 13,026.40
  4. Step 4: Simplify right side
    37,985.20x = 742,145,271.36
  5. Step 5: Solve for x
    x = 742,145,271.36/37,985.20
  6. Step 6: Final answer
    x = 19,537.75

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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.