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Finding the Fourth Proportional to 17,890.04, 26,835.06 and 5,579

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Solution

The fourth proportional to 17,890.04, 26,835.06 and 5,579 is: 8,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.04 : 26,835.06 = 5,579 : x
  2. Step 2: Convert to fraction form
    17,890.04/26,835.06 = 5,579/x
  3. Step 3: Cross multiply
    17,890.04x = 26,835.06 × 5,579
  4. Step 4: Simplify right side
    17,890.04x = 149,712,799.74
  5. Step 5: Solve for x
    x = 149,712,799.74/17,890.04
  6. Step 6: Final answer
    x = 8,368.50

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1.5x scale

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.