Home / 27,426.72-37,846.80-15,488.40

Finding the Fourth Proportional to 27,426.72, 37,846.80 and 15,488.40

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Solution

The fourth proportional to 27,426.72, 37,846.80 and 15,488.40 is: 21,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.72 : 37,846.80 = 15,488.40 : x
  2. Step 2: Convert to fraction form
    27,426.72/37,846.80 = 15,488.40/x
  3. Step 3: Cross multiply
    27,426.72x = 37,846.80 × 15,488.40
  4. Step 4: Simplify right side
    27,426.72x = 586,186,377.12
  5. Step 5: Solve for x
    x = 586,186,377.12/27,426.72
  6. Step 6: Final answer
    x = 21,372.82

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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.