Home / 27,948.08-38,569.10-15,373.16

Finding the Fourth Proportional to 27,948.08, 38,569.10 and 15,373.16

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Solution

The fourth proportional to 27,948.08, 38,569.10 and 15,373.16 is: 21,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.08 : 38,569.10 = 15,373.16 : x
  2. Step 2: Convert to fraction form
    27,948.08/38,569.10 = 15,373.16/x
  3. Step 3: Cross multiply
    27,948.08x = 38,569.10 × 15,373.16
  4. Step 4: Simplify right side
    27,948.08x = 592,928,945.36
  5. Step 5: Solve for x
    x = 592,928,945.36/27,948.08
  6. Step 6: Final answer
    x = 21,215.37

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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.