Home / 42,621.76-58,816.84-26,715

Finding the Fourth Proportional to 42,621.76, 58,816.84 and 26,715

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Solution

The fourth proportional to 42,621.76, 58,816.84 and 26,715 is: 36,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621.76 : 58,816.84 = 26,715 : x
  2. Step 2: Convert to fraction form
    42,621.76/58,816.84 = 26,715/x
  3. Step 3: Cross multiply
    42,621.76x = 58,816.84 × 26,715
  4. Step 4: Simplify right side
    42,621.76x = 1,571,291,880.60
  5. Step 5: Solve for x
    x = 1,571,291,880.60/42,621.76
  6. Step 6: Final answer
    x = 36,865.95

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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.