Home / 27,698.41-38,222.04-15,123.16

Finding the Fourth Proportional to 27,698.41, 38,222.04 and 15,123.16

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Solution

The fourth proportional to 27,698.41, 38,222.04 and 15,123.16 is: 20,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.41 : 38,222.04 = 15,123.16 : x
  2. Step 2: Convert to fraction form
    27,698.41/38,222.04 = 15,123.16/x
  3. Step 3: Cross multiply
    27,698.41x = 38,222.04 × 15,123.16
  4. Step 4: Simplify right side
    27,698.41x = 578,038,026.45
  5. Step 5: Solve for x
    x = 578,038,026.45/27,698.41
  6. Step 6: Final answer
    x = 20,869.00

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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.