Home / 25,095.31-34,631.01-15,532.66

Finding the Fourth Proportional to 25,095.31, 34,631.01 and 15,532.66

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Solution

The fourth proportional to 25,095.31, 34,631.01 and 15,532.66 is: 21,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,095.31 : 34,631.01 = 15,532.66 : x
  2. Step 2: Convert to fraction form
    25,095.31/34,631.01 = 15,532.66/x
  3. Step 3: Cross multiply
    25,095.31x = 34,631.01 × 15,532.66
  4. Step 4: Simplify right side
    25,095.31x = 537,911,703.79
  5. Step 5: Solve for x
    x = 537,911,703.79/25,095.31
  6. Step 6: Final answer
    x = 21,434.75

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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.