Home / 22,264.08-30,710.20-15,547.20

Finding the Fourth Proportional to 22,264.08, 30,710.20 and 15,547.20

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Solution

The fourth proportional to 22,264.08, 30,710.20 and 15,547.20 is: 21,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.08 : 30,710.20 = 15,547.20 : x
  2. Step 2: Convert to fraction form
    22,264.08/30,710.20 = 15,547.20/x
  3. Step 3: Cross multiply
    22,264.08x = 30,710.20 × 15,547.20
  4. Step 4: Simplify right side
    22,264.08x = 477,457,621.44
  5. Step 5: Solve for x
    x = 477,457,621.44/22,264.08
  6. Step 6: Final answer
    x = 21,445.20

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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.