Home / 26,308.80-39,458.40-16,430.40

Finding the Fourth Proportional to 26,308.80, 39,458.40 and 16,430.40

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Solution

The fourth proportional to 26,308.80, 39,458.40 and 16,430.40 is: 24,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.80 : 39,458.40 = 16,430.40 : x
  2. Step 2: Convert to fraction form
    26,308.80/39,458.40 = 16,430.40/x
  3. Step 3: Cross multiply
    26,308.80x = 39,458.40 × 16,430.40
  4. Step 4: Simplify right side
    26,308.80x = 648,317,295.36
  5. Step 5: Solve for x
    x = 648,317,295.36/26,308.80
  6. Step 6: Final answer
    x = 24,642.60

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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.