Home / 21,073.59-29,041.61-15,094.98

Finding the Fourth Proportional to 21,073.59, 29,041.61 and 15,094.98

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Solution

The fourth proportional to 21,073.59, 29,041.61 and 15,094.98 is: 20,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.59 : 29,041.61 = 15,094.98 : x
  2. Step 2: Convert to fraction form
    21,073.59/29,041.61 = 15,094.98/x
  3. Step 3: Cross multiply
    21,073.59x = 29,041.61 × 15,094.98
  4. Step 4: Simplify right side
    21,073.59x = 438,382,446.64
  5. Step 5: Solve for x
    x = 438,382,446.64/21,073.59
  6. Step 6: Final answer
    x = 20,802.46

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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.