Home / 27,140.49-37,454.40-15,203.70

Finding the Fourth Proportional to 27,140.49, 37,454.40 and 15,203.70

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Solution

The fourth proportional to 27,140.49, 37,454.40 and 15,203.70 is: 20,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.49 : 37,454.40 = 15,203.70 : x
  2. Step 2: Convert to fraction form
    27,140.49/37,454.40 = 15,203.70/x
  3. Step 3: Cross multiply
    27,140.49x = 37,454.40 × 15,203.70
  4. Step 4: Simplify right side
    27,140.49x = 569,445,461.28
  5. Step 5: Solve for x
    x = 569,445,461.28/27,140.49
  6. Step 6: Final answer
    x = 20,981.40

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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.