Home / 28,533.80-42,800.70-25,617.80

Finding the Fourth Proportional to 28,533.80, 42,800.70 and 25,617.80

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Solution

The fourth proportional to 28,533.80, 42,800.70 and 25,617.80 is: 38,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.80 : 42,800.70 = 25,617.80 : x
  2. Step 2: Convert to fraction form
    28,533.80/42,800.70 = 25,617.80/x
  3. Step 3: Cross multiply
    28,533.80x = 42,800.70 × 25,617.80
  4. Step 4: Simplify right side
    28,533.80x = 1,096,459,772.46
  5. Step 5: Solve for x
    x = 1,096,459,772.46/28,533.80
  6. Step 6: Final answer
    x = 38,426.70

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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.