Home / 26,455.02-36,515.70-15,130.95

Finding the Fourth Proportional to 26,455.02, 36,515.70 and 15,130.95

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Solution

The fourth proportional to 26,455.02, 36,515.70 and 15,130.95 is: 20,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.02 : 36,515.70 = 15,130.95 : x
  2. Step 2: Convert to fraction form
    26,455.02/36,515.70 = 15,130.95/x
  3. Step 3: Cross multiply
    26,455.02x = 36,515.70 × 15,130.95
  4. Step 4: Simplify right side
    26,455.02x = 552,517,230.92
  5. Step 5: Solve for x
    x = 552,517,230.92/26,455.02
  6. Step 6: Final answer
    x = 20,885.16

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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.