Home / 27,275.34-37,637.46-15,339.72

Finding the Fourth Proportional to 27,275.34, 37,637.46 and 15,339.72

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Solution

The fourth proportional to 27,275.34, 37,637.46 and 15,339.72 is: 21,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.34 : 37,637.46 = 15,339.72 : x
  2. Step 2: Convert to fraction form
    27,275.34/37,637.46 = 15,339.72/x
  3. Step 3: Cross multiply
    27,275.34x = 37,637.46 × 15,339.72
  4. Step 4: Simplify right side
    27,275.34x = 577,348,097.91
  5. Step 5: Solve for x
    x = 577,348,097.91/27,275.34
  6. Step 6: Final answer
    x = 21,167.40

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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.