Home / 39,847.03-59,780.63-28,615.27

Finding the Fourth Proportional to 39,847.03, 59,780.63 and 28,615.27

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Solution

The fourth proportional to 39,847.03, 59,780.63 and 28,615.27 is: 42,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.03 : 59,780.63 = 28,615.27 : x
  2. Step 2: Convert to fraction form
    39,847.03/59,780.63 = 28,615.27/x
  3. Step 3: Cross multiply
    39,847.03x = 59,780.63 × 28,615.27
  4. Step 4: Simplify right side
    39,847.03x = 1,710,638,868.22
  5. Step 5: Solve for x
    x = 1,710,638,868.22/39,847.03
  6. Step 6: Final answer
    x = 42,930.15

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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.