Home / 28,740.48-39,661.48-16,165.23

Finding the Fourth Proportional to 28,740.48, 39,661.48 and 16,165.23

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Solution

The fourth proportional to 28,740.48, 39,661.48 and 16,165.23 is: 22,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.48 : 39,661.48 = 16,165.23 : x
  2. Step 2: Convert to fraction form
    28,740.48/39,661.48 = 16,165.23/x
  3. Step 3: Cross multiply
    28,740.48x = 39,661.48 × 16,165.23
  4. Step 4: Simplify right side
    28,740.48x = 641,136,946.34
  5. Step 5: Solve for x
    x = 641,136,946.34/28,740.48
  6. Step 6: Final answer
    x = 22,307.80

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1.5x scale

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.