Home / 22,053.02-30,416.48-15,335.28

Finding the Fourth Proportional to 22,053.02, 30,416.48 and 15,335.28

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Solution

The fourth proportional to 22,053.02, 30,416.48 and 15,335.28 is: 21,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.02 : 30,416.48 = 15,335.28 : x
  2. Step 2: Convert to fraction form
    22,053.02/30,416.48 = 15,335.28/x
  3. Step 3: Cross multiply
    22,053.02x = 30,416.48 × 15,335.28
  4. Step 4: Simplify right side
    22,053.02x = 466,445,237.41
  5. Step 5: Solve for x
    x = 466,445,237.41/22,053.02
  6. Step 6: Final answer
    x = 21,151.08

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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.