Home / 28,547.04-42,774.48-17,580

Finding the Fourth Proportional to 28,547.04, 42,774.48 and 17,580

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Solution

The fourth proportional to 28,547.04, 42,774.48 and 17,580 is: 26,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.04 : 42,774.48 = 17,580 : x
  2. Step 2: Convert to fraction form
    28,547.04/42,774.48 = 17,580/x
  3. Step 3: Cross multiply
    28,547.04x = 42,774.48 × 17,580
  4. Step 4: Simplify right side
    28,547.04x = 751,975,358.40
  5. Step 5: Solve for x
    x = 751,975,358.40/28,547.04
  6. Step 6: Final answer
    x = 26,341.62

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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.