Home / 38,355.06-52,928.54-21,360

Finding the Fourth Proportional to 38,355.06, 52,928.54 and 21,360

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Solution

The fourth proportional to 38,355.06, 52,928.54 and 21,360 is: 29,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.06 : 52,928.54 = 21,360 : x
  2. Step 2: Convert to fraction form
    38,355.06/52,928.54 = 21,360/x
  3. Step 3: Cross multiply
    38,355.06x = 52,928.54 × 21,360
  4. Step 4: Simplify right side
    38,355.06x = 1,130,553,614.40
  5. Step 5: Solve for x
    x = 1,130,553,614.40/38,355.06
  6. Step 6: Final answer
    x = 29,476.00

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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.