Home / 23,887.60-32,964.69-12,985.67

Finding the Fourth Proportional to 23,887.60, 32,964.69 and 12,985.67

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Solution

The fourth proportional to 23,887.60, 32,964.69 and 12,985.67 is: 17,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,887.60 : 32,964.69 = 12,985.67 : x
  2. Step 2: Convert to fraction form
    23,887.60/32,964.69 = 12,985.67/x
  3. Step 3: Cross multiply
    23,887.60x = 32,964.69 × 12,985.67
  4. Step 4: Simplify right side
    23,887.60x = 428,068,421.17
  5. Step 5: Solve for x
    x = 428,068,421.17/23,887.60
  6. Step 6: Final answer
    x = 17,920.11

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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.