Home / 15,429.47-23,008.71-15,289.13

Finding the Fourth Proportional to 15,429.47, 23,008.71 and 15,289.13

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Solution

The fourth proportional to 15,429.47, 23,008.71 and 15,289.13 is: 22,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.47 : 23,008.71 = 15,289.13 : x
  2. Step 2: Convert to fraction form
    15,429.47/23,008.71 = 15,289.13/x
  3. Step 3: Cross multiply
    15,429.47x = 23,008.71 × 15,289.13
  4. Step 4: Simplify right side
    15,429.47x = 351,783,273.18
  5. Step 5: Solve for x
    x = 351,783,273.18/15,429.47
  6. Step 6: Final answer
    x = 22,799.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.