Home / 39,528.80-59,271.60-16,128.80

Finding the Fourth Proportional to 39,528.80, 59,271.60 and 16,128.80

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Solution

The fourth proportional to 39,528.80, 59,271.60 and 16,128.80 is: 24,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.80 : 59,271.60 = 16,128.80 : x
  2. Step 2: Convert to fraction form
    39,528.80/59,271.60 = 16,128.80/x
  3. Step 3: Cross multiply
    39,528.80x = 59,271.60 × 16,128.80
  4. Step 4: Simplify right side
    39,528.80x = 955,979,782.08
  5. Step 5: Solve for x
    x = 955,979,782.08/39,528.80
  6. Step 6: Final answer
    x = 24,184.39

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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.