Home / 27,344.64-40,985.10-12,555.12

Finding the Fourth Proportional to 27,344.64, 40,985.10 and 12,555.12

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Solution

The fourth proportional to 27,344.64, 40,985.10 and 12,555.12 is: 18,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,344.64 : 40,985.10 = 12,555.12 : x
  2. Step 2: Convert to fraction form
    27,344.64/40,985.10 = 12,555.12/x
  3. Step 3: Cross multiply
    27,344.64x = 40,985.10 × 12,555.12
  4. Step 4: Simplify right side
    27,344.64x = 514,572,848.71
  5. Step 5: Solve for x
    x = 514,572,848.71/27,344.64
  6. Step 6: Final answer
    x = 18,818.05

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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.