Home / 27,090.80-37,384.58-15,155.46

Finding the Fourth Proportional to 27,090.80, 37,384.58 and 15,155.46

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Solution

The fourth proportional to 27,090.80, 37,384.58 and 15,155.46 is: 20,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.80 : 37,384.58 = 15,155.46 : x
  2. Step 2: Convert to fraction form
    27,090.80/37,384.58 = 15,155.46/x
  3. Step 3: Cross multiply
    27,090.80x = 37,384.58 × 15,155.46
  4. Step 4: Simplify right side
    27,090.80x = 566,580,506.81
  5. Step 5: Solve for x
    x = 566,580,506.81/27,090.80
  6. Step 6: Final answer
    x = 20,914.13

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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.