Home / 28,124.93-38,810.98-15,547.25

Finding the Fourth Proportional to 28,124.93, 38,810.98 and 15,547.25

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Solution

The fourth proportional to 28,124.93, 38,810.98 and 15,547.25 is: 21,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.93 : 38,810.98 = 15,547.25 : x
  2. Step 2: Convert to fraction form
    28,124.93/38,810.98 = 15,547.25/x
  3. Step 3: Cross multiply
    28,124.93x = 38,810.98 × 15,547.25
  4. Step 4: Simplify right side
    28,124.93x = 603,404,125.27
  5. Step 5: Solve for x
    x = 603,404,125.27/28,124.93
  6. Step 6: Final answer
    x = 21,454.42

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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.