Home / 28,643.56-42,756.04-26,533.12

Finding the Fourth Proportional to 28,643.56, 42,756.04 and 26,533.12

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Solution

The fourth proportional to 28,643.56, 42,756.04 and 26,533.12 is: 39,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.56 : 42,756.04 = 26,533.12 : x
  2. Step 2: Convert to fraction form
    28,643.56/42,756.04 = 26,533.12/x
  3. Step 3: Cross multiply
    28,643.56x = 42,756.04 × 26,533.12
  4. Step 4: Simplify right side
    28,643.56x = 1,134,451,140.04
  5. Step 5: Solve for x
    x = 1,134,451,140.04/28,643.56
  6. Step 6: Final answer
    x = 39,605.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.