Home / 27,333.90-40,988.70-10,688.40

Finding the Fourth Proportional to 27,333.90, 40,988.70 and 10,688.40

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Solution

The fourth proportional to 27,333.90, 40,988.70 and 10,688.40 is: 16,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.90 : 40,988.70 = 10,688.40 : x
  2. Step 2: Convert to fraction form
    27,333.90/40,988.70 = 10,688.40/x
  3. Step 3: Cross multiply
    27,333.90x = 40,988.70 × 10,688.40
  4. Step 4: Simplify right side
    27,333.90x = 438,103,621.08
  5. Step 5: Solve for x
    x = 438,103,621.08/27,333.90
  6. Step 6: Final answer
    x = 16,027.85

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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.