Home / 27,503.40-37,955.30-15,566.75

Finding the Fourth Proportional to 27,503.40, 37,955.30 and 15,566.75

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Solution

The fourth proportional to 27,503.40, 37,955.30 and 15,566.75 is: 21,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.40 : 37,955.30 = 15,566.75 : x
  2. Step 2: Convert to fraction form
    27,503.40/37,955.30 = 15,566.75/x
  3. Step 3: Cross multiply
    27,503.40x = 37,955.30 × 15,566.75
  4. Step 4: Simplify right side
    27,503.40x = 590,840,398.66
  5. Step 5: Solve for x
    x = 590,840,398.66/27,503.40
  6. Step 6: Final answer
    x = 21,482.45

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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.