Home / 26,541.02-39,754.13-12,479.99

Finding the Fourth Proportional to 26,541.02, 39,754.13 and 12,479.99

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Solution

The fourth proportional to 26,541.02, 39,754.13 and 12,479.99 is: 18,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.02 : 39,754.13 = 12,479.99 : x
  2. Step 2: Convert to fraction form
    26,541.02/39,754.13 = 12,479.99/x
  3. Step 3: Cross multiply
    26,541.02x = 39,754.13 × 12,479.99
  4. Step 4: Simplify right side
    26,541.02x = 496,130,883.69
  5. Step 5: Solve for x
    x = 496,130,883.69/26,541.02
  6. Step 6: Final answer
    x = 18,692.98

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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.