Home / 26,688.24-40,031.45-12,654.99

Finding the Fourth Proportional to 26,688.24, 40,031.45 and 12,654.99

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Solution

The fourth proportional to 26,688.24, 40,031.45 and 12,654.99 is: 18,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.24 : 40,031.45 = 12,654.99 : x
  2. Step 2: Convert to fraction form
    26,688.24/40,031.45 = 12,654.99/x
  3. Step 3: Cross multiply
    26,688.24x = 40,031.45 × 12,654.99
  4. Step 4: Simplify right side
    26,688.24x = 506,597,631.07
  5. Step 5: Solve for x
    x = 506,597,631.07/26,688.24
  6. Step 6: Final answer
    x = 18,982.05

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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.