Home / 27,426.16-37,849.48-15,490

Finding the Fourth Proportional to 27,426.16, 37,849.48 and 15,490

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Solution

The fourth proportional to 27,426.16, 37,849.48 and 15,490 is: 21,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.16 : 37,849.48 = 15,490 : x
  2. Step 2: Convert to fraction form
    27,426.16/37,849.48 = 15,490/x
  3. Step 3: Cross multiply
    27,426.16x = 37,849.48 × 15,490
  4. Step 4: Simplify right side
    27,426.16x = 586,288,445.20
  5. Step 5: Solve for x
    x = 586,288,445.20/27,426.16
  6. Step 6: Final answer
    x = 21,376.98

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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.