Home / 24,720.53-34,114.12-13,389.76

Finding the Fourth Proportional to 24,720.53, 34,114.12 and 13,389.76

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Solution

The fourth proportional to 24,720.53, 34,114.12 and 13,389.76 is: 18,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.53 : 34,114.12 = 13,389.76 : x
  2. Step 2: Convert to fraction form
    24,720.53/34,114.12 = 13,389.76/x
  3. Step 3: Cross multiply
    24,720.53x = 34,114.12 × 13,389.76
  4. Step 4: Simplify right side
    24,720.53x = 456,779,879.41
  5. Step 5: Solve for x
    x = 456,779,879.41/24,720.53
  6. Step 6: Final answer
    x = 18,477.75

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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.