Home / 52,509.12-72,460.40-28,635.36

Finding the Fourth Proportional to 52,509.12, 72,460.40 and 28,635.36

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Solution

The fourth proportional to 52,509.12, 72,460.40 and 28,635.36 is: 39,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509.12 : 72,460.40 = 28,635.36 : x
  2. Step 2: Convert to fraction form
    52,509.12/72,460.40 = 28,635.36/x
  3. Step 3: Cross multiply
    52,509.12x = 72,460.40 × 28,635.36
  4. Step 4: Simplify right side
    52,509.12x = 2,074,929,639.74
  5. Step 5: Solve for x
    x = 2,074,929,639.74/52,509.12
  6. Step 6: Final answer
    x = 39,515.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.