Home / 26,276.40-39,402.45-11,477.70

Finding the Fourth Proportional to 26,276.40, 39,402.45 and 11,477.70

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Solution

The fourth proportional to 26,276.40, 39,402.45 and 11,477.70 is: 17,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.40 : 39,402.45 = 11,477.70 : x
  2. Step 2: Convert to fraction form
    26,276.40/39,402.45 = 11,477.70/x
  3. Step 3: Cross multiply
    26,276.40x = 39,402.45 × 11,477.70
  4. Step 4: Simplify right side
    26,276.40x = 452,249,500.37
  5. Step 5: Solve for x
    x = 452,249,500.37/26,276.40
  6. Step 6: Final answer
    x = 17,211.24

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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.