Home / 27,885.32-38,488.85-15,952.40

Finding the Fourth Proportional to 27,885.32, 38,488.85 and 15,952.40

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Solution

The fourth proportional to 27,885.32, 38,488.85 and 15,952.40 is: 22,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.32 : 38,488.85 = 15,952.40 : x
  2. Step 2: Convert to fraction form
    27,885.32/38,488.85 = 15,952.40/x
  3. Step 3: Cross multiply
    27,885.32x = 38,488.85 × 15,952.40
  4. Step 4: Simplify right side
    27,885.32x = 613,989,666.84
  5. Step 5: Solve for x
    x = 613,989,666.84/27,885.32
  6. Step 6: Final answer
    x = 22,018.38

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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.