Home / 27,320.48-37,699.68-15,381.92

Finding the Fourth Proportional to 27,320.48, 37,699.68 and 15,381.92

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Solution

The fourth proportional to 27,320.48, 37,699.68 and 15,381.92 is: 21,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.48 : 37,699.68 = 15,381.92 : x
  2. Step 2: Convert to fraction form
    27,320.48/37,699.68 = 15,381.92/x
  3. Step 3: Cross multiply
    27,320.48x = 37,699.68 × 15,381.92
  4. Step 4: Simplify right side
    27,320.48x = 579,893,461.79
  5. Step 5: Solve for x
    x = 579,893,461.79/27,320.48
  6. Step 6: Final answer
    x = 21,225.60

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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.