Home / 15,420.47-22,995.32-15,280.13

Finding the Fourth Proportional to 15,420.47, 22,995.32 and 15,280.13

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Solution

The fourth proportional to 15,420.47, 22,995.32 and 15,280.13 is: 22,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.47 : 22,995.32 = 15,280.13 : x
  2. Step 2: Convert to fraction form
    15,420.47/22,995.32 = 15,280.13/x
  3. Step 3: Cross multiply
    15,420.47x = 22,995.32 × 15,280.13
  4. Step 4: Simplify right side
    15,420.47x = 351,371,460.08
  5. Step 5: Solve for x
    x = 351,371,460.08/15,420.47
  6. Step 6: Final answer
    x = 22,786.05

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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.