Home / 27,376.52-37,780.16-15,437.57

Finding the Fourth Proportional to 27,376.52, 37,780.16 and 15,437.57

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Solution

The fourth proportional to 27,376.52, 37,780.16 and 15,437.57 is: 21,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.52 : 37,780.16 = 15,437.57 : x
  2. Step 2: Convert to fraction form
    27,376.52/37,780.16 = 15,437.57/x
  3. Step 3: Cross multiply
    27,376.52x = 37,780.16 × 15,437.57
  4. Step 4: Simplify right side
    27,376.52x = 583,233,598.52
  5. Step 5: Solve for x
    x = 583,233,598.52/27,376.52
  6. Step 6: Final answer
    x = 21,304.16

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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.