Home / 28,547.08-42,827.14-15,399.16

Finding the Fourth Proportional to 28,547.08, 42,827.14 and 15,399.16

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Solution

The fourth proportional to 28,547.08, 42,827.14 and 15,399.16 is: 23,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.08 : 42,827.14 = 15,399.16 : x
  2. Step 2: Convert to fraction form
    28,547.08/42,827.14 = 15,399.16/x
  3. Step 3: Cross multiply
    28,547.08x = 42,827.14 × 15,399.16
  4. Step 4: Simplify right side
    28,547.08x = 659,501,981.20
  5. Step 5: Solve for x
    x = 659,501,981.20/28,547.08
  6. Step 6: Final answer
    x = 23,102.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.