Home / 23,681.19-32,679.96-13,070.90

Finding the Fourth Proportional to 23,681.19, 32,679.96 and 13,070.90

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Solution

The fourth proportional to 23,681.19, 32,679.96 and 13,070.90 is: 18,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.19 : 32,679.96 = 13,070.90 : x
  2. Step 2: Convert to fraction form
    23,681.19/32,679.96 = 13,070.90/x
  3. Step 3: Cross multiply
    23,681.19x = 32,679.96 × 13,070.90
  4. Step 4: Simplify right side
    23,681.19x = 427,156,521.85
  5. Step 5: Solve for x
    x = 427,156,521.85/23,681.19
  6. Step 6: Final answer
    x = 18,037.80

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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.