Home / 19,990.24-29,938.56-15,802.08

Finding the Fourth Proportional to 19,990.24, 29,938.56 and 15,802.08

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Solution

The fourth proportional to 19,990.24, 29,938.56 and 15,802.08 is: 23,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.24 : 29,938.56 = 15,802.08 : x
  2. Step 2: Convert to fraction form
    19,990.24/29,938.56 = 15,802.08/x
  3. Step 3: Cross multiply
    19,990.24x = 29,938.56 × 15,802.08
  4. Step 4: Simplify right side
    19,990.24x = 473,091,520.20
  5. Step 5: Solve for x
    x = 473,091,520.20/19,990.24
  6. Step 6: Final answer
    x = 23,666.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.