Home / 27,312.18-37,685.43-15,376.02

Finding the Fourth Proportional to 27,312.18, 37,685.43 and 15,376.02

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Solution

The fourth proportional to 27,312.18, 37,685.43 and 15,376.02 is: 21,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.18 : 37,685.43 = 15,376.02 : x
  2. Step 2: Convert to fraction form
    27,312.18/37,685.43 = 15,376.02/x
  3. Step 3: Cross multiply
    27,312.18x = 37,685.43 × 15,376.02
  4. Step 4: Simplify right side
    27,312.18x = 579,451,925.39
  5. Step 5: Solve for x
    x = 579,451,925.39/27,312.18
  6. Step 6: Final answer
    x = 21,215.88

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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.