Home / 27,142.40-37,452.16-15,206.24

Finding the Fourth Proportional to 27,142.40, 37,452.16 and 15,206.24

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Solution

The fourth proportional to 27,142.40, 37,452.16 and 15,206.24 is: 20,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.40 : 37,452.16 = 15,206.24 : x
  2. Step 2: Convert to fraction form
    27,142.40/37,452.16 = 15,206.24/x
  3. Step 3: Cross multiply
    27,142.40x = 37,452.16 × 15,206.24
  4. Step 4: Simplify right side
    27,142.40x = 569,506,533.48
  5. Step 5: Solve for x
    x = 569,506,533.48/27,142.40
  6. Step 6: Final answer
    x = 20,982.17

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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.