Home / 61,995.20-92,985.60-17,628.80

Finding the Fourth Proportional to 61,995.20, 92,985.60 and 17,628.80

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Solution

The fourth proportional to 61,995.20, 92,985.60 and 17,628.80 is: 26,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,995.20 : 92,985.60 = 17,628.80 : x
  2. Step 2: Convert to fraction form
    61,995.20/92,985.60 = 17,628.80/x
  3. Step 3: Cross multiply
    61,995.20x = 92,985.60 × 17,628.80
  4. Step 4: Simplify right side
    61,995.20x = 1,639,224,545.28
  5. Step 5: Solve for x
    x = 1,639,224,545.28/61,995.20
  6. Step 6: Final answer
    x = 26,441.15

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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.