Home / 27,948.84-38,569.32-15,373.50

Finding the Fourth Proportional to 27,948.84, 38,569.32 and 15,373.50

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Solution

The fourth proportional to 27,948.84, 38,569.32 and 15,373.50 is: 21,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.84 : 38,569.32 = 15,373.50 : x
  2. Step 2: Convert to fraction form
    27,948.84/38,569.32 = 15,373.50/x
  3. Step 3: Cross multiply
    27,948.84x = 38,569.32 × 15,373.50
  4. Step 4: Simplify right side
    27,948.84x = 592,945,441.02
  5. Step 5: Solve for x
    x = 592,945,441.02/27,948.84
  6. Step 6: Final answer
    x = 21,215.39

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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.