Home / 27,214.92-40,807.80-12,415.86

Finding the Fourth Proportional to 27,214.92, 40,807.80 and 12,415.86

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Solution

The fourth proportional to 27,214.92, 40,807.80 and 12,415.86 is: 18,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,214.92 : 40,807.80 = 12,415.86 : x
  2. Step 2: Convert to fraction form
    27,214.92/40,807.80 = 12,415.86/x
  3. Step 3: Cross multiply
    27,214.92x = 40,807.80 × 12,415.86
  4. Step 4: Simplify right side
    27,214.92x = 506,663,931.71
  5. Step 5: Solve for x
    x = 506,663,931.71/27,214.92
  6. Step 6: Final answer
    x = 18,617.14

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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.