Home / 26,603.60-39,857.40-15,501.20

Finding the Fourth Proportional to 26,603.60, 39,857.40 and 15,501.20

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Solution

The fourth proportional to 26,603.60, 39,857.40 and 15,501.20 is: 23,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.60 : 39,857.40 = 15,501.20 : x
  2. Step 2: Convert to fraction form
    26,603.60/39,857.40 = 15,501.20/x
  3. Step 3: Cross multiply
    26,603.60x = 39,857.40 × 15,501.20
  4. Step 4: Simplify right side
    26,603.60x = 617,837,528.88
  5. Step 5: Solve for x
    x = 617,837,528.88/26,603.60
  6. Step 6: Final answer
    x = 23,223.83

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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.