Home / 35,515.20-53,272.80-14,779.20

Finding the Fourth Proportional to 35,515.20, 53,272.80 and 14,779.20

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Solution

The fourth proportional to 35,515.20, 53,272.80 and 14,779.20 is: 22,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.20 : 53,272.80 = 14,779.20 : x
  2. Step 2: Convert to fraction form
    35,515.20/53,272.80 = 14,779.20/x
  3. Step 3: Cross multiply
    35,515.20x = 53,272.80 × 14,779.20
  4. Step 4: Simplify right side
    35,515.20x = 787,329,365.76
  5. Step 5: Solve for x
    x = 787,329,365.76/35,515.20
  6. Step 6: Final answer
    x = 22,168.80

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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.