Home / 28,337.22-42,515.06-13,547.28

Finding the Fourth Proportional to 28,337.22, 42,515.06 and 13,547.28

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Solution

The fourth proportional to 28,337.22, 42,515.06 and 13,547.28 is: 20,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.22 : 42,515.06 = 13,547.28 : x
  2. Step 2: Convert to fraction form
    28,337.22/42,515.06 = 13,547.28/x
  3. Step 3: Cross multiply
    28,337.22x = 42,515.06 × 13,547.28
  4. Step 4: Simplify right side
    28,337.22x = 575,963,354.30
  5. Step 5: Solve for x
    x = 575,963,354.30/28,337.22
  6. Step 6: Final answer
    x = 20,325.33

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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.