Home / 25,730.10-35,498.25-15,655.32

Finding the Fourth Proportional to 25,730.10, 35,498.25 and 15,655.32

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Solution

The fourth proportional to 25,730.10, 35,498.25 and 15,655.32 is: 21,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.10 : 35,498.25 = 15,655.32 : x
  2. Step 2: Convert to fraction form
    25,730.10/35,498.25 = 15,655.32/x
  3. Step 3: Cross multiply
    25,730.10x = 35,498.25 × 15,655.32
  4. Step 4: Simplify right side
    25,730.10x = 555,736,463.19
  5. Step 5: Solve for x
    x = 555,736,463.19/25,730.10
  6. Step 6: Final answer
    x = 21,598.69

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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.